Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9048107 | Semiconductor device | Hiroomi Eguchi, Atsushi Onogi, Takashi Okawa | 2015-06-02 |
| 8007071 | Image forming apparatus and information recording medium | — | 2011-08-30 |
| 7943957 | Lateral SOI semiconductor devices and manufacturing method thereof | Masato Taki, Masahiro Kawakami, Masayasu Ishiko | 2011-05-17 |
| 7712864 | Apparatus and method for maintaining recording head | Tatsuya Shindo, Katsunori Nishida, Hikaru Kaga | 2010-05-11 |
| 5639220 | Pump with inlet and outlet simultaneously exposed to pump chamber and method of operating same | — | 1997-06-17 |
| 5089838 | Pressure developing device | Takemi Yamamoto, Hiroshi Kawahara, Yumio Matsumoto, Shigeyuki Hayashi, Osamu Takagi +3 more | 1992-02-18 |
| 5049920 | Photocopying method and apparatus | Kazuo Sangyoji, Takemi Yamamoto, Shunichi Higashiyama, Masashi Ueda, Akira Sago +2 more | 1991-09-17 |
| 4974937 | Color filter unit | Hideaki Haigo | 1990-12-04 |
| 4965592 | Image processing apparatus for reproducing images on projector screen and photosensitive medium | Kazuo Sangyoji, Takemi Yamamoto, Naoyuki Hatta, Kenji Sakakibara, Yuji Asano +2 more | 1990-10-23 |
| 4958781 | Cassette for photo-sensistive recording medium | Masashi Ueda, Kazumasa Makino, Yumio Matsumoto, Akira Sago, Osamu Takagi | 1990-09-25 |
| 4956649 | Image recording apparatus forming photomasking pattern on photosensitive medium | Toshio Sakai, Hitoshi Nakai, Makoto Suzuki, Kazunori Tanabe | 1990-09-11 |
| 4945374 | Pressure developing device | Takemi Yamamoto, Hiroshi Kawahara, Yumio Matsumoto, Shigeyuki Hayashi, Osamu Takagi +3 more | 1990-07-31 |
| 4933685 | Image transfer system with preliminary-exposure device | Yuki Asano, Akira Sago, Masashi Ueda, Osamu Takagi, Yumio Matsumoto +5 more | 1990-06-12 |
| 4912506 | Image recording apparatus having exposure unit | Akira Sago, Masashi Ueda, Osamu Takagi, Yumio Matsumoto | 1990-03-27 |
| 4908652 | Image recording apparatus having upper and lower sections separable from each other at medium exposing path | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Takagi | 1990-03-13 |
| 4908653 | Exposure system for image recording apparatus | Akira Sago, Masashi Ueda, Osamu Takagi, Yumio Matsumoto | 1990-03-13 |
| 4905036 | Image forming process and system, including heating step or device for increased density of images | Yuji Asano, Jun Sakai, Yumio Matsumoto, Osamu Takagi, Akira Sago +3 more | 1990-02-27 |
| 4901103 | Image recording apparatus using pressure sensitive sheet | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Tagaki | 1990-02-13 |
| 4894680 | Image recording apparatus | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Takagi | 1990-01-16 |
| 4878083 | Pressure developing device in image recording apparatus | Takashi Tomizawa | 1989-10-31 |
| 4878084 | Method and device for feeding sheet in image recording apparatus | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Tagaki | 1989-10-31 |
| 4870451 | Image recording apparatus | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Takagi | 1989-09-26 |
| 4866473 | Thermal fixing device for use in recording apparatus | Yumio Matsumoto, Masashi Ueda, Akira Sago, Osamu Takagi | 1989-09-12 |
| 4864356 | Exposure device for image recording apparatus | Yuji Asano, Masashi Ueda, Shunichi Higashiyama, Yumio Matsumoto, Akira Sago +3 more | 1989-09-05 |
| 4661234 | Air-fuel ratio sensor and apparatus using the same | Hideaki Takahashi, Haruyoshi Kondo, Takashi Takeuchi | 1987-04-28 |