Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8203664 | Electro-optical device and electronic apparatus | — | 2012-06-19 |
| 7491580 | Method of manufacturing electro-optical device | Kenji Murakami, Hiroki Maruyama | 2009-02-17 |
| 5085910 | Optical data recording medium and method of manufacturing the same | Masahide Yagi, Masahiro Suzuki, Yasuyuki Mori | 1992-02-04 |
| 5013594 | Optical information recording medium and its production | Tetsuo Mizumura, Minoru Ichijo, Ken Nakao, Yoshitane Tuburaya | 1991-05-07 |
| 4740948 | Disc cartridge | Yoshiyuki Nakamori, Yasunori Kanazawa, Mitsuyoshi Koyama, Shinichi Abe, Nobuyuki Fujimoto | 1988-04-26 |
| 4710913 | Optical recording disc | Toshio Higashihara, Mitsuru Shimizu, Ken Yoshizawa, Masahiro Suzuki, Toshinori Sugiyama | 1987-12-01 |
| 4451542 | Cell with gasket comprising glass beads | Osamu Ishida, Yoshio Uetani | 1984-05-29 |
| 4333995 | Leak proof cells provided with a synthetic resin gasket having an increased degree of crystallinity | Osamu Ishida, Yoshio Uetani | 1982-06-08 |
| 4238555 | Leak-proof alkaline cell and its production | Yoshio Uetani, Yasuyoshi Taniguchi, Kenichi Yokoyama, Sonae Kirihara | 1980-12-09 |
| 4220694 | Leak-proof alkaline cell and its production | Yoshio Uetani, Yasuyoshi Taniguchi, Kenichi Yokoyama | 1980-09-02 |
| 4220695 | Leak-proof alkaline cell and its manufacture | Osamu Ishida, Yoshio Uetani | 1980-09-02 |