Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435321 | Stirrer for glass manufacture | Tetsuo Shinohara | 2019-10-08 |
| 9745241 | Production method for hexachloroacetone | Hidekazu Okamoto, Kouhei Tajima, Tomoyuki Fujita, Shingo Nomura | 2017-08-29 |
| 5397445 | Method for producing an acid and/or alkali metal hydroxide | Kazuo Umemura, Haruhisa Miyake | 1995-03-14 |
| 4592977 | Lithographic printing plate | Sigeru Hirayama, Hiroji Kumagai, Manabu Sawada, Tsuneo Tanaka, Isao Kumano | 1986-06-03 |
| 4268158 | Dry planographic printing apparatus | Hisao Hoshi, Hiroji Kumagai, Kaneki Yoshida | 1981-05-19 |