Issued Patents All Time
Showing 351–375 of 395 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931825 | Image recording apparatus provided with exposure unit using cathode ray tube | Shigeru Mizuno, Kazuo Sangyoji, Osamu Takagi | 1990-06-05 |
| 4928265 | Semiconductor integrated circuit | Hisayuki Higuchi, Noriyuki Homma, Suguru Tachibana | 1990-05-22 |
| 4926541 | Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site | Shinsaku Hakuta, Yasuhiro Yasaka, Osamu Nagura, Eiji Tsuji, Hirotaka Akagawa | 1990-05-22 |
| 4920375 | Imaging device | Michitoshi Akao, Kenji Sakakibara, Tokunori Katoh, Yukichi Sawaki, Takakuni Sonoda | 1990-04-24 |
| 4910723 | Tracking servo device for optical storage disk using optical deflector element for adjusting beam spot on the disk | Takemi Yamamoto | 1990-03-20 |
| 4910116 | Method for recording color image by varying single source exposure intensity | Hitoshi Nakai | 1990-03-20 |
| 4893147 | Color picture image recording apparatus | Kazunori Tanabe, Kazumasa Makino, Eiji Shibata, Kazuhito Ishida, Takashi Nakata +4 more | 1990-01-09 |
| 4875074 | Image recording apparatus | Kazuo Sangyoji, Jun Sakai, Shigeyuki Hayashi, Yasuo Kimura | 1989-10-17 |
| 4865407 | Optical waveguide element, method of making the same and optical coupler employing optical waveguide element | Akihiro Suzuki, Yutaka Hattori, Kazuyuki Miyaki, Masayuki Yoshida, Kazunari Taki +1 more | 1989-09-12 |
| 4866673 | BI-MOS semiconductor memory having high soft error immunity | Hisayuki Higuchi, Noriyuki Homma, Kiyoo Itoh | 1989-09-12 |
| 4858191 | Semiconductor integrated circuit | Hisayuki Higuchi, Noriyuki Homma | 1989-08-15 |
| 4847879 | Frequency sensing and control circuit | Kenzaburou Iijima, Yoshinori Hayashi, Atsushi Uchiyama | 1989-07-11 |
| RE32977 | Key-holding structure of keyboard with curved operating surface of keys | Hideo Gotoh, Satoshi Fukao | 1989-07-04 |
| 4842428 | Electronic typewriter with spell checking and correction | — | 1989-06-27 |
| 4841311 | Laser beam printer with compactly arranged photosensitive element, laser beam emitting element and reflective element | Satoshi Urukawa | 1989-06-20 |
| 4831198 | Method for adsorptive separation of dichlorotoluenes | Toshitaka Kaneshiki, Tadayoshi Haneda, Sueo Kanno, Yuichi Hane, Toshiyuki Endo +1 more | 1989-05-16 |
| 4825274 | Bi-CMOS semiconductor device immune to latch-up | Hisayuki Higuchi | 1989-04-25 |
| 4824220 | Device for forming an image with a laser beam | Takemi Yamamoto, Kuniyasu Makino | 1989-04-25 |
| 4816912 | Laser-beam printer with improved optical deflector | Kazunari Taki | 1989-03-28 |
| 4805144 | Solid memory medium and information reproduction system using the medium | Akihiro Suzuki | 1989-02-14 |
| 4792201 | Optical deflector device | Akihiro Suzuki | 1988-12-20 |
| 4785316 | Image recording device | Takemi Yamamoto, Hitoshi Nakai, Yoichi Horaguchi | 1988-11-15 |
| 4777306 | Method for selective separation of 2,6-dichlorotoluene | Toshitaka Kaneshiki, Tadayoshi Haneda, Yuichi Hane | 1988-10-11 |
| 4775251 | Electronic typewriter including spelling dictionary | Yasumichi Kojima, Hideo Ueno, Yasuhiro Hayashi, Satoshi Furukawa | 1988-10-04 |
| 4767170 | Optical deflector device | Shuzo Mizutani, Kazunari Taki, Akihiro Suzuki, Shoji Yamada, Yumiko Watanabe | 1988-08-30 |