Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077719 | Optical disk access system | Shigenori Yanagi, Masateru Sasaki, Akira Minami, Toshitaka Iwamoto | 1991-12-31 |
| 5066560 | Process for producing toner for electrophotography | Ryoji Tan, Ken-ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano +1 more | 1991-11-19 |
| 4985882 | Track access control system for disk system, having eccentricity correction means | Shigenori Yanagi | 1991-01-15 |
| 4983488 | Process for producing toner for electrophotography | Ryoji Tan, Ken-ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano +1 more | 1991-01-08 |
| 4977551 | Optical disk tracking control system and method having normalized tracking error control signal | Akira Minami | 1990-12-11 |
| 4973624 | Coating resin composition | Eiichi Ohtani, Masayuki Mogami, Kengo Kobayashi | 1990-11-27 |
| 4827754 | Squeezing and chamfering device for tube end | — | 1989-05-09 |
| 4785649 | Tapered thread roll-forming machine | Takashi Watanabe | 1988-11-22 |
| 4771625 | Apparatus for forming tapered threads on pipes | Takashi Watanabe | 1988-09-20 |
| 4301048 | Water-dispersed resin composition | Takao Hirayama, Minoru Fujishima, Hisasi Kaneko | 1981-11-17 |
| 4295947 | Photo-curable coating compositions for building materials | Eiichi Ohtani, Kengo Kobayashi, Asao Isobe | 1981-10-20 |