Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224320 | Semiconductor device | — | 2019-03-05 |
| 4990323 | Composition for reduction-reoxidation type semiconductive ceramic capacitor | Kazuhito Narumi, Michiaki Sakaguchi | 1991-02-05 |
| 4987107 | Ceramic composition for reduction-reoxidation type semiconductive capacitor | Kazuhito Narumi, Michiaki Sakaguchi | 1991-01-22 |
| 4858283 | Strap buckle structure | — | 1989-08-22 |
| 4547234 | Explosive composition | Masao Takahashi, Hiroshi Sakai | 1985-10-15 |
| 4534809 | Water-in-oil emulsion explosive composition | Masao Takahashi, Katsuhide Hattori, Hiroshi Sakai | 1985-08-13 |
| 4482403 | Water-in-oil emulsion explosive composition | Masao Takahashi, Hiroshi Sakai | 1984-11-13 |
| 4414044 | Water-in-oil emulsion explosive composition | Masao Takahashi | 1983-11-08 |
| 4397568 | Timepiece push-button structure | Masahiko Waki, Hisao Yamagata, Toshio Murata, Masataka Matsumoto | 1983-08-09 |
| 4394198 | Water-in-oil emulsion explosive composition | Masao Takahashi | 1983-07-19 |