Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663960 | Fluorescent particles, method for preparing the same and paper preventing forgery using the fluorescent particle | Toru Murakami, Yasuhiko Asai, Yoshihiro Watanabe | 2003-12-16 |
| 5580553 | Cosmetic composition containing alkenylsuccinic acid ester of saccharide | — | 1996-12-03 |
| 5576825 | Pattern detecting apparatus | Mituhiro Nagase | 1996-11-19 |
| 5346049 | Coin discriminator using a plurality of optical fiber groups | Mituhiro Nagase | 1994-09-13 |
| 5318969 | Benzopyran compound and its pharmaceutical use | Tsutomu Yamanaka, Toshio Seki, Osamu Yaoka | 1994-06-07 |
| 5143936 | Benzopyran compound and its pharmaceutical use | Tsutomu Yamanaka, Toshio Seki, Osamu Yaoka | 1992-09-01 |
| 5058978 | Optical divider for multimode optical fiber systems | Osamu Kondoh, Mitsuzo Arii, Yasunari Kawabata | 1991-10-22 |
| 5021432 | Benzopyran compound and its pharmaceutical use | Tsutomu Yamanaka, Toshio Seki, Osamu Yaoka | 1991-06-04 |
| 5001137 | Pyridine compounds and pharmaceutical use thereof | Takanori Oe, Yuji Ono, Kazuyuki Kawasaki | 1991-03-19 |
| 4831446 | Video signal output selection circuit | Hisao Nakamura | 1989-05-16 |
| 4564867 | Video disc recording and reproducing device for video discs having recognition signal indicative of content of associated program signal | — | 1986-01-14 |
| 4408602 | Laser knife device | — | 1983-10-11 |
| 4359308 | Counterbalance device for laser knife | Koichi Kamoi | 1982-11-16 |