Issued Patents All Time
Showing 276–288 of 288 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571987 | Developing apparatus using magnetic developing poles having the same polarity | Ryuji Goto | 1996-11-05 |
| 5563837 | Semiconductor memory device with reduced consumption power and refreshing method of the same | — | 1996-10-08 |
| 5559541 | Direct recording method | Masumi Asanae, Masahisa Ochiai | 1996-09-24 |
| 5484680 | Magnetic brush developing method | Ryuji Goto | 1996-01-16 |
| 4891294 | Electrostatic development toner | — | 1990-01-02 |
| 4779201 | Borehole scanner and sonde position locator for spectral analysis of wall | Yunosuke Iizuka, Takashi Ishii, Yoshitaka Matsumoto | 1988-10-18 |
| 4640880 | Electrophotographic process with magnetic brush development using semiconductive ferrite carriers | Tsuneaki Kawanishi, Yasuki Mori, Tsutomu Iimura | 1987-02-03 |
| 4529680 | Magnetic toner for pressure fixation | Masumi Asanae, Hideyuki Itoi, Katsumi Funakoshi | 1985-07-16 |
| 4518673 | Electrophotographic developer | Masumi Asanae, Fumio Kimura | 1985-05-21 |
| 4490578 | Integrated superconductor | Shohei Suzuki, Yoshiaki Kazawa, Ryusei Saito, Hidezumi Moriai, Ryoichi Mashiko +1 more | 1984-12-25 |
| 4435494 | Process for depositing magnetic toner material on electrostatic latent images | Ryuji Goto, Keitaro Yamashita | 1984-03-06 |
| 4237819 | Image developing machine using magnetic toner | Masahiro Ikegami, Sennosuke Morikawa, Keitaro Yamashita | 1980-12-09 |
| 4189390 | One-component magnetic developer powder for developing electrostatic latent image and method of making same | Toshio Kumakura, Akio Mukoh, Yasuki Mori, Hirosada Morishita | 1980-02-19 |