Is this your brand? Sign in to claim ownership.
Sign in to claim this brandMASUNAGA OPTICAL MFG.CO., LTD.
US
Last updated May 23, 2026
What MASUNAGA OPTICAL MFG.CO., LTD. makes
The company manufactures spectacle frames, tinted non-prescription spectacles, and tinted non-prescription spectacle lenses. These products include branded eyewear lines and lens options designed for general use without prescription adjustments.
The portfolio consists of Class I medical devices, which are regulated under the FDA’s Unique Device Identification (UDI) system. These products are listed in the FDA’s UDI database, reflecting their compliance with applicable U.S. regulatory requirements.
Written from this company's registered devices by an AI model, and not verified by a human reviewer.
Frequently asked questions
What types of medical devices does MASUNAGA OPTICAL MFG.CO., LTD. manufacture?
MASUNAGA OPTICAL MFG.CO., LTD. specializes in Class I medical devices related to eyewear. Their portfolio includes spectacle frames, tinted non-prescription spectacles, and tinted non-prescription spectacle lenses. These products are designed for general use without prescription adjustments, catering to consumers seeking branded eyewear solutions.
Where is MASUNAGA OPTICAL MFG.CO., LTD. based?
The company is based in the United States. While the exact location isn’t specified, their regulatory listings confirm their presence in the U.S., where their devices are subject to FDA oversight.
Which regulatory registries list MASUNAGA OPTICAL MFG.CO., LTD.’s devices?
MASUNAGA OPTICAL MFG.CO., LTD.’s devices are listed in the FDA’s Unique Device Identification (UDI) database. This registry ensures transparency and compliance tracking for Class I medical devices under U.S. regulatory requirements.
How are MASUNAGA OPTICAL MFG.CO., LTD.’s devices classified under U.S. regulations?
All of MASUNAGA OPTICAL MFG.CO., LTD.’s devices fall under Class I classification in the U.S. This category applies to low-risk products like spectacle frames and non-prescription lenses, which are subject to general controls (e.g., manufacturing practices, labeling) but do not require pre-market approval.
Are MASUNAGA OPTICAL MFG.CO., LTD.’s devices intended for prescription use?
No, MASUNAGA OPTICAL MFG.CO., LTD.’s devices are explicitly designed as non-prescription products. Their portfolio includes tinted spectacles and lenses intended for general eyewear use, not vision correction or medical prescription purposes.
AI-generated from registry data and not verified by a human reviewer.
Information
- Country
- US
- Address
- —
- Website
- —
- —
- —
- —
- Phone
- —
- PRRC Contact
- —
- EUDAMED SRN
- —
- FDA FEI Number
- —
- DUNS Number
- 693743585
Catalogue (3484)
Page 2 of 70| Device | Model / Reference | Registries | Class | Status |
|---|---|---|---|---|
| MASUNAGA since 1905 | Chord B 100 K18+BK 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | JULIET 41 Green/Gold 46 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-09 58 U-KHAKI 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 055 54 U-GRY Matt 52 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | BIRD 39 SG-Black 54 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-716 FRAME 45 BL/BL F | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-124 25 U-BLU 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 011 43 A-BR-BL 53 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-705 P.SET 57 Ruby F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Tsuki(K18) 19 USG-BK Matt 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-115 24 Clear Gry 51 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-704L FRAME 55 Dark Grey/Blue F | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631S FRAME 4-0 Pewter+White M | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-08 35 U-Navy Blue 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | BRADBURY 49 BK/BK 50 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631S FRAME 15 Purple M | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-101 11 GP 48 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-123 19 BK-GRY 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-715 P.SET 22 Silver F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-50 19 BK 53 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-681RO 7 Mat Silver 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | RHAPSODY 11 SG-Gold/GREEN 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-829 24 U-GRY Crystal 48 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-825 32 DEMI/GRY 46 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | MA-9002X 22 Silver/LGRY 52 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-704S FRAME 86 Brushed Silver/Pink F | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-703 O.I FRAME 81 CHA/SLV 99 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Lantana 33 BR/BK 48 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 025 49 A-BK-GRY 52 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-634 P.SET 31 Ivory F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 107 39 U-BK TORTOISE 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-119TS 39 Black 44 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 026 30 A-W-PK 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 111 24 A-BL GRY 54 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Chord C petite 22 AT-Silver 46 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-35 23 LBR 54 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-13 35 U-NAVY 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-670-V 62 BR/PK Gold 52 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 009 34 A-GRY-PU 47 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 052 47 A-RED-BR 53 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 063 13 ASG-DEMI 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 008 15 U-BL/BK 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GRACE 29 BK/BK 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-704S J.V FRAME 86 Brushed Silver/Pink B | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-713-TZ 7 NAVY/Mat Silver F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Lotus 23 USG-BR 61 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-703 J.V FRAME 88 TOTS/GRY B | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-705 J.V P.SET 48 Olive B | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-633S FRAME 7 Mat Silver SD | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | WALDORF 19 BLACK 52 | FDA UDI | Class I | Active |
Related Companies
Authorised Representatives
No authorised representatives on record.
Importers
Not available yet.
Notified Bodies
Not available yet.
Authorities
Not available yet.
FDA Establishments (1)
Establishments registered with the FDA under this company group, matched by name.
- Masunaga Optical Mfg. Co., Ltd. FUKUI-SHI · JP FEI 1000283786