Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800621 | Imidazo[4,5-b]-pyridiniummethyl-containing cephem compounds having broad antibacterial spectrum activity | Yasuhiro Nishitani, Hikaru Itani | 2004-10-05 |
| 6518263 | Imidazo[4,5-b]pyridiniummethyl-containing cephem compounds having broad antibacterial spectrum | Yasuhiro Nishitani, Hikaru Itani | 2003-02-11 |
| 5703243 | Intermediates for pyrrolidylthiocarbapenem derivative | Yasuhiro Nishitani, Yutaka Nishino | 1997-12-30 |
| 5539102 | Production method for sulfamide | Yuji Sendo, Makoto Kii, Yasuhiro Nishitani, Yutaka Nishino | 1996-07-23 |
| 5494621 | Method for producing shutter for disc cartridge | Tsutomu Sugisaki, Kazutoshi Machida, Ikuo Taki, Naoyoshi Chino | 1996-02-27 |
| 5472657 | Method for molding plastic shutter for magnetic disk cartridge | Seiichi Watanabe, Naoyoshi Chino | 1995-12-05 |
| 5389329 | Method and apparatus for molding a magnetic disk cartridge shutter | Seiichi Watanabe | 1995-02-14 |
| 5317016 | Pyrrolidylthiocarbapenem derivative | Yasuhiro Nishitani | 1994-05-31 |
| 5305172 | Synthetic resin disc cartridge shutter having non-engaging raised gate mark | Tsutomu Sugisaki, Kazutoshi Machida, Ikuo Taki, Naoyoshi Chino | 1994-04-19 |
| 5017581 | Pyridonecarboxylic acids and their anti-bacterial compositions | Yasuhiro Nishitani, Yutaka Nishino | 1991-05-21 |
| 5013593 | Information storage medium and process for producing the same | Hideki Matsuzawa, Masao Yabe, Seiichi Watanabe, Yusuke Ishihara | 1991-05-07 |
| 4970812 | Sheet type large display unit | Issei Tanaka, Akio Uchida | 1990-11-20 |
| 4961884 | Process for producing substrate of optical disc | Seiichi Watanabe, Yusuke Ishihara | 1990-10-09 |
| 4814927 | Magnetic disk cartridge | Shoji Iwamoto, Akira Mizuta, Masanori Ishiguro | 1989-03-21 |
| 4216231 | 9,10-Dihydro-9,10-methanoanthracene N-oxide derivatives | Hiroshi Tanida | 1980-08-05 |