Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806243 | Ophthalmic solution and contact lens solution | Kentaro Hozumi, Osamu Mori | 2004-10-19 |
| 6544953 | Ophthalmic composition | Sadayasu Tanikawa | 2003-04-08 |
| 6417144 | Solution for contact lenses | Sadayasu Tanikawa | 2002-07-09 |
| 6320008 | Polymeric colorant and colored material for ocular lens using the colorant | Kazuharu Niwa, Tatsuya Ojio | 2001-11-20 |
| 6242551 | Polymeric colorant and colored material for ocular lens using the colorant | Kazuharu Niwa, Tatsuya Ojio | 2001-06-05 |
| 6177480 | Agent for contact lenses | Osamu Mori | 2001-01-23 |
| 6121327 | Contact lens disinfecting solution | Osamu Mori, Hideshi Nomura | 2000-09-19 |
| 5919742 | Contact lens cleaning material formed of a polymer | Sadayasu Tanikawa | 1999-07-06 |
| 4663670 | Television receiver having a liquid crystal display device | Katsu Ito, Munehiro Shinabe, Akira Miyajima, Nobuyuki Hashimoto, Hideshi Ohno +2 more | 1987-05-05 |
| 4652932 | Liquid crystal display television receiver | Akira Miyajima, Hideshi Ohno, Shigeru Futakami, Takashi Ogura, Toshiaki Oguchi +5 more | 1987-03-24 |
| 4646158 | Liquid crystal television receiver | Hideshi Ohno, Toshiaki Oguchi, Shigeru Futami, Masaru Yoshida, Satoshi Kimura +7 more | 1987-02-24 |
| 4500441 | Contact lens cleaning and storage composition | Kyoichi Tanaka, Shunichi Hioki | 1985-02-19 |
| 4465999 | Matrix driving method for electro-optical display device | Hiro Fujita, Shigeru Morokawa | 1984-08-14 |
| 4443062 | Multi-layer display device with nonactive display element groups | Seigo Togashi, Hiro Fujita | 1984-04-17 |
| 4440662 | Cleaning composition for contact lenses | Takeo Kibe, Shunichi Hioki | 1984-04-03 |
| 4430648 | Combination matrix array display and memory system | Seigo Togashi | 1984-02-07 |
| 4389728 | Frequency divider | — | 1983-06-21 |
| 4356483 | Matrix drive system for liquid crystal display | Hiroo Fujita | 1982-10-26 |
| 4345612 | Anesthetic gas control apparatus | Tuyoshi Koni, Yoshihisa Urushida | 1982-08-24 |
| 4345248 | Liquid crystal display device with write-in capability | Seigo Togashi | 1982-08-17 |
| 4300137 | Matrix driving method for electro-optical display device | Hiroo Fujita, Shigeru Morokawa | 1981-11-10 |
| 4268360 | Temporary heat-proof apparatus for use in repairing coke ovens | Hiroshi Tobitani | 1981-05-19 |
| 4264967 | Unit time producing system | Hiro Fujita | 1981-04-28 |
| 4259202 | Cleaning and preservative solution for contact lenses | Kyoichi Tanaka | 1981-03-31 |
| 4248562 | Coke guide car | Hiroshi Tobitani | 1981-02-03 |