Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168329 | Lens positioning mechanism, lens producing apparatus, and method for producing lens member | Shinichi Yokoyama | 2024-12-17 |
| 11927834 | Lens positioning mechanism, lens producing apparatus, and method for producing lens member | Shinichi Yokoyama | 2024-03-12 |
| 8440041 | Lens pad, lens pad manufacturing method, lens manufacturing method, and adhesive member | Daiji Sagami | 2013-05-14 |
| 8216024 | Spectacle lens edging method | Takashi Daimaru, Ryo Terai | 2012-07-10 |
| 7919020 | Method of manufacturing plastic lens, gasket for molding plastic lens, casting mold for molding plastic lens, casting jig for plastic lens starting material liquid, holding member for plastic lens casting mold, and plastic lens manufacturing apparatus | Hideki Kobayashi, Yasuhisa Okamoto, Yukiaki Sunagawa, Nobuhiko Takeda | 2011-04-05 |
| 7694404 | Method for assembling mold for forming plastic lens | Tatsuo Nishimoto, Nobuhiko Takeda | 2010-04-13 |
| 7344370 | Device and method for assembling mold for forming plastic lens | Tatsuo Nishimoto, Nobuhiko Takeda | 2008-03-18 |
| 4720748 | Cathode ray tube | Hiroji Sumiyoshi, Kazuo Omae, Yuzuru Watanabe | 1988-01-19 |