Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369120 | Input pointer and input device | — | 2008-05-06 |
| 5587132 | Method for producing high purity vanadium electrolytic solution | Masato Nakajima, Toshiaki Akahoshi, Masatoshi Sawahata, Kanji Sato | 1996-12-24 |
| 4957819 | Frameless and coreless porous endosseous implant | Haruyuki Kawahara, Seiichi Tsukamoto, Katsumi Tanaka, Yasuyuki Ashiura, Motonobu Yoshimura | 1990-09-18 |
| 4605742 | Process for the production of piperidine | Shoichiro Mori, Tadamichi Aoki, Ryozo Hamana | 1986-08-12 |
| 4479017 | Process for producing ether compounds by catalytic hydrogenolysis | Tadashi Ayusawa, Tadamichi Aoki | 1984-10-23 |
| 4244322 | Magnetic brush type developing apparatus | Mitsuaki Koyama, Masahiro Katou | 1981-01-13 |
| 4185910 | Photoconductive member cleaning device using a magnetic brush for electrostatic copying machines | Mitsuaki Koyama | 1980-01-29 |