Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198026 | Colored zinc powder, its method of production and method for producing colored article | Eiji Nishimura, Yusaku Masuda, Hiroshi Tasaki | 1993-03-30 |
| 5160552 | Colored zinc coating | Masatoshi Tomita, Susumu Yamamoto | 1992-11-03 |
| 5141782 | Colored zinc coating | Masatoshi Tomita, Susumu Yamamoto, Kazuya Nakayama | 1992-08-25 |
| 5022937 | Colored zinc coating | Masatoshi Tomita, Susumu Yamamoto, Kazuya Nakayama | 1991-06-11 |
| 4874436 | Method for producing high purity electrolytic copper | Takashi Ogata, Masanori Kato, Yoshio Kawasumi, Kanji Tanaka | 1989-10-17 |
| 4816748 | Electronic thermohygrometer with square-wave pulse signal generator | Isao TAZAWA, Norihiro Kiuchi, Hideo Segawa, Kenji Murakami | 1989-03-28 |
| 4792369 | Copper wires used for transmitting sounds or images | Takashi Ogata, Masanori Kato, Yoshio Kawasumi, Kanji Tanaka | 1988-12-20 |
| 4656455 | Humidity-sensing element | Katsumi Tanino, Norihiro Kiuchi, Eiji Itoh, Kiyoshi Ogino, Masataka Yahagi +1 more | 1987-04-07 |