Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069989 | Alkaline cell | Tomotaka Ozeki, Kazuo Ishida | 1991-12-03 |
| 4842965 | Non aqueous electrochemical battery with explosion proof arrangement and a method of the production thereof | Hisashi Urushiwara, Tugiyasu Iwamaru, Kenya Kazehara, Osamu Watanabe, Kenichi Sawada +4 more | 1989-06-27 |
| 4539660 | Semiconductor integrated circuit | Katsuki Miyauchi, Tetsuichi Kudo, Osamu Minato, Toshiaki Masuhara | 1985-09-03 |
| 4451542 | Cell with gasket comprising glass beads | Osamu Ishida, Seiichi Matsushima | 1984-05-29 |
| 4333995 | Leak proof cells provided with a synthetic resin gasket having an increased degree of crystallinity | Osamu Ishida, Seiichi Matsushima | 1982-06-08 |
| 4247606 | Silver oxide cell and its manufacture | Akio Shimizu, Kozo Kajita, Osamu Yumimoto, Satoru Kuwano | 1981-01-27 |
| RE30458 | Dry cells | Rokurou Ikebata, Takayuki Togo, Tugiyasu Iwamaru | 1980-12-23 |
| 4238555 | Leak-proof alkaline cell and its production | Yasuyoshi Taniguchi, Kenichi Yokoyama, Seiichi Matsushima, Sonae Kirihara | 1980-12-09 |
| 4220694 | Leak-proof alkaline cell and its production | Yasuyoshi Taniguchi, Kenichi Yokoyama, Seiichi Matsushima | 1980-09-02 |
| 4220695 | Leak-proof alkaline cell and its manufacture | Osamu Ishida, Seiichi Matsushima | 1980-09-02 |