Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766757 | Basic gas absorptive fiber and production thereof | Koji Tanaka, Hideyuki Tsurumi | 1998-06-16 |
| 5691421 | High moisture adsorptive and desorptive fine particles and process for producing the same | Koji Tanaka | 1997-11-25 |
| 5406387 | Facsimile apparatus capable of preventing receipt of unauthorized facsimile transmissions | — | 1995-04-11 |
| 5334510 | Process for producing riboflavin by fermentation | Naoki Usui, Tuyoshi Nakamatu | 1994-08-02 |
| 5223365 | Magnetic toner | Hirohiko Seki, Hiroshi Yamazaki | 1993-06-29 |
| 4994340 | Magnetic toner | Hiroshi Yamazaki, Hirohiko Seki | 1991-02-19 |
| 4968573 | Method of developing electrostatic latent images | Tadashi Kaneko, Yuki Okuyama, Mitsutaka Arai, Satoru Ikeuchi | 1990-11-06 |
| 4929081 | System for detecting defects in a regularly arranged pattern such as an integrated circuit or the like | Hitoshi Tanaka, Noboru Mikami | 1990-05-29 |
| 4885222 | Method for developing electrostatic latent image in an oscillating electric field | Tadashi Kaneko, Meizo Shirose | 1989-12-05 |
| 4637973 | Image forming process for electrophotography | Kunio Shigeta, Jiro Takahashi | 1987-01-20 |
| 4614700 | Image forming process with magnetic brush development | Kunio Shigeta, Jiro Takahashi | 1986-09-30 |