Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566155 | Separable spring-latched cufflink with transversally pressable release lever | — | 1986-01-28 |
| 4560430 | Method of making a metallic container | Michio Watanabe, Kazuhisa Ishibashi, Hisakazu Yasumuro, Tsuneo Imatani | 1985-12-24 |
| 4536243 | Method and apparatus for making a metal can | Tsuneo Imatani, Hisakazu Yasumuro, Michio Watanabe, Kazuhisa Ishibashi | 1985-08-20 |
| 4528726 | Cuff link | — | 1985-07-16 |
| 4508481 | Process for preparation of metal vessels | Kazuhisa Ishibashi, Hisakazu Yasumuro, Michio Watanabe, Tsuneo Imatani, Kazuo Taira +2 more | 1985-04-02 |
| 4451316 | Process for preparation of metal vessels | Kazuhisa Ishibashi, Hisakazu Yasumuro, Michio Watanabe, Tsuneo Imatani, Kazuo Taira +2 more | 1984-05-29 |
| 4441234 | Decorative cufflink | — | 1984-04-10 |
| 4441813 | Apparatus for detecting pinholes in cans | Kyuichi Shibasaki | 1984-04-10 |
| 4361936 | Decorative cufflink | — | 1982-12-07 |
| 4242776 | Cufflink | — | 1981-01-06 |