Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340377 | High-temperature wear-resistant sintered alloy | Kei Ishii, Koichiro Hayashi, Yoshimasa Aoki, Atsushi Ehira, Kunio Maki +1 more | 2002-01-22 |
| 6130018 | Carrier for use in development of electrostatic latent image and image forming apparatus using the carrier | Akinori Koyama, Nobuaki Kawano | 2000-10-10 |
| 5952590 | Sintered alloy having superb wear resistance and process for producing the same | Koichiro Hayashi, Katsuaki Sato, Tsutomu Saka | 1999-09-14 |
| 5949003 | High-temperature wear-resistant sintered alloy | Yoshimasa Aoki, Kei Ishii, Koichiro Hayashi, Kouichi Aonuma, Kunio Maki +4 more | 1999-09-07 |
| 5670287 | Magnetic carrier for electrophotographic developing agent and method of producing the same | Tomohide Iida, Yoshiteru Hatase, Hidekazu Tamura, Nobuaki Kawano | 1997-09-23 |
| 5529602 | Sintered iron alloy resistant to abrasion at high temperature and method of manufacturing the same | Kei Ishii, Yoshimasa Aoki, Akira Fujiki, Katsuyuki Nakamura, Kazuhiko Takahashi | 1996-06-25 |
| 5514509 | Electrophotographic developer | Nobuaki Kawano, Fumie Kimura, Seijiro Ishimaru | 1996-05-07 |
| 5246809 | Carrier for a developing agent | Masatomi Funato, Nobuaki Kawano, Koji Honda | 1993-09-21 |
| 5085964 | Carrier for developer | Masatomi Funato, Kiminori Umeda, Nobuaki Kawano, Koji Honda | 1992-02-04 |
| 5079124 | Carrier for developer | Masatomi Funato, Nobuaki Kawano, Koji Honda | 1992-01-07 |
| 4956139 | Method of producing an exposure blade | Hiroshi Koizumi, Katsumi Arai, Koji Miyamoto, Tadaaki Ichikawa, Koji Ogata | 1990-09-11 |
| 4844680 | Automatic article feeding apparatus | Yusaku Azuma, Kenzi Kuroki, Osamu Shigematsu | 1989-07-04 |