Issued Patents All Time
Showing 201–221 of 221 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947212 | Developing apparatus with color dependent toner supply voltage | Akihito Ikegawa, Hiroshi Murasaki, Kouichi Etou | 1990-08-07 |
| 4924806 | Developing apparatus | Hiroshi Murasaki, Akihito Ikegawa, Kouichi Etou | 1990-05-15 |
| 4920916 | Electrostatic latent image developing device | Toshiya Natsuhara, Yuji Enoguchi, Akihito Ikegawa, Masasi Yamamoto, Hiroshi Murasaki | 1990-05-01 |
| 4887089 | Planar antenna for vehicles | Yoshihisa Shibata | 1989-12-12 |
| 4851872 | Developing device with developer sleeve facilitating developer supply adjustment by bristle height regulating member | Hiroshi Murasaki, Akihito Ikegawa, Kouichi Etou | 1989-07-25 |
| 4845506 | Antenna system | Yoshihisa Shibata | 1989-07-04 |
| 4819027 | Developing apparatus | Hiroshi Murasaki, Akihito Ikegawa, Kouichi Etou | 1989-04-04 |
| 4816838 | Portable receiving antenna system | Yoshihisa Shibata, Takashi Sakurai | 1989-03-28 |
| 4809034 | Developing device | Hiroshi Murasaki, Akihito Ikegawa, Kouichi Etou | 1989-02-28 |
| 4786936 | Electrostatic latent image developing device | Akihito Ikegawa, Hiroshi Murasaki, Kouichi Etou | 1988-11-22 |
| 4775866 | Two-frequency slotted planar antenna | Yoshihisa Shibata | 1988-10-04 |
| 4760402 | Antenna system incorporated in the air spoiler of an automobile | Takashi Sakurai, Yoshihisa Shibata | 1988-07-26 |
| 4738914 | Photosensitive member having an amorphous silicon layer | — | 1988-04-19 |
| 4659639 | Photosensitive member with an amorphous silicon-containing insulating layer | Shuji Iino, Izumi Osawa, Isao Doi | 1987-04-21 |
| 4651085 | Apparatus for measuring the ratio of alcohol contained in mixed fuel | Takashi Sakurai, Yoshihisa Shibata | 1987-03-17 |
| 4580441 | Diesel smoke meter | Takashi Sakurai, Shigeyuki Akita, Masao Kodera, Kunihiko Sasaki | 1986-04-08 |
| 4532902 | Method of and system for controlling ignition timing in internal combustion engine | Hiroshi Ito | 1985-08-06 |
| 4353648 | Copy paper separating method for use in electrophotographic copying apparatus | Susumu Tanaka, Tateki Oka | 1982-10-12 |
| 4335912 | Door locking apparatus | Masahiko Koumura | 1982-06-22 |
| 4247196 | Cleaning device for use in electrophotographic copying machines | Masaya Ogawa, Takashi Sugiyama | 1981-01-27 |
| 4223754 | Instrument panel device for cars | Seiichiro Kobayashi | 1980-09-23 |