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 64 of 70| Device | Model / Reference | Registries | Class | Status |
|---|---|---|---|---|
| Kazuo Kawasaki | ACT-Seven C2 DGRY 55 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-203 11 G 45 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Clematis 21 GP/BR 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | COCO 27 RED-DEMI/GP 46 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 041 69 U-BK Matt 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 094 24 A-DGRY 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 103 30 U-Clear 45 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 106 23 U-BR TORTOISE 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 110 39 U-BK TORTOISE 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Chord A 52 Silver 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-804SP 24 SG-DTB Matt/GREEN 46 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 079 35 U-DBL-SBL 53 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-714S P.SET 84 GRY/ORG F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Campanule(K18) 19 USG-BK Matt 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Tsuki 34 ASG-GRY 49 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-123 14 A-GRY 52 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-703 P.SET 89 RED/BRN F | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Mokko 30 USG-Crystal 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Tsuki 45 ASG-BLUE 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Aster 35 BL/BK 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631S FRAME 3 Bronze M | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-670-RR 3 Bronze 50 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | MA-9006 39 SG-Black 59 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-809 11 ATG 46 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-670-LE 55 NBL/GRN 52 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631S P.SET 3 Bronze S | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | LEMPICKA 49 BK TORTOISE/M.BK 50 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-704S J.V FRAME 92 Brushed Silver B | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 082 19 A-BK 48 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Aoi 20 SG-Crystal/BK 51 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631S P.SET 4-9 Pewter+Black M | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-705 FRAME 57 Ruby F | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631L FRAME 19 Shiny Black M | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-131 42 SG-SLV/GRY 62 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | ADAGIO 23 U-HAVANA 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-09 58 A-KHAKI 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-816 23 U-BR TORTOISE 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 081 19 U-BK 47 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-805 B11 NAVY/Silver 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-631L FRAME 12 Forest Green M | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 040 48 A-Olive-BR 53 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | Aster 24 GRY/GP 47 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 104 25 A-Navy 53 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-130P 24 Clear Gry 49 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | TINSELTOWN 25 NAVY/AT-SILVER 52 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-833 23 DEMI 43 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-690 Edition 32 324 SG-GP-Crystal 51 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | 087 19 A-BK 47 | FDA UDI | Class I | Active |
| Kazuo Kawasaki | MP-921-04 19 SG-BK 54 | FDA UDI | Class I | Active |
| MASUNAGA since 1905 | GMS-07 69 U-BK Matt 49 | 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