Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043837 | Method of manufacture of inkjet printer head | Ryoichi Yamamoto | 2006-05-16 |
| 6962407 | Inkjet recording head, method of manufacturing the same, and inkjet printer | Ryoichi Yamamoto | 2005-11-08 |
| 6786576 | Inkjet recording head with minimal ink drop ejecting capability | — | 2004-09-07 |
| 6749289 | Liquid ejection apparatus and inkjet printer, and method of manufacturing them | Nobuo Matsumoto | 2004-06-15 |
| 6663227 | Semiconductor device and process for producing the same | Ryoichi Yamamoto | 2003-12-16 |
| 6598957 | Recording head and process for producing the same | Ryoichi Yamamoto | 2003-07-29 |
| 6403476 | Semiconductor chip, semiconductor wafer, semiconductor device and method of manufacturing the semiconductor device | Jin Murayama | 2002-06-11 |
| 6161924 | Ink jet recording head | Kenji Yamada, Osamu Machida, Kazuo Shimizu, Katsunori Kawasumi | 2000-12-19 |
| 6012804 | Ink jet recording head | — | 2000-01-11 |
| 5980024 | Ink jet print head and a method of driving ink therefrom | Kenji Yamada, Katsunori Kawasumi, Osamu Machida, Kazuo Shimizu | 1999-11-09 |
| 5966153 | Ink jet printing device | Kenji Yamada, Katsunori Kawasumi, Osamu Machida, Kazuo Shimizu | 1999-10-12 |
| 5896154 | Ink jet printer | Kenji Yamada, Osamu Machida | 1999-04-20 |
| 5831648 | Ink jet recording head | Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu, Osamu Machida | 1998-11-03 |
| 5821960 | Ink jet recording head having first and second connection lines | — | 1998-10-13 |
| 5790154 | Method of manufacturing an ink ejection recording head and a recording apparatus using the recording head | Kenji Yamada, Osamu Machida | 1998-08-04 |
| 5742101 | Semiconductor device | Toshiyuki Sakuta, Kazuyuki Miyazawa, Satoshi Oguchi, Aizo Kaneda, Shozo Nakamura +2 more | 1998-04-21 |
| 5734398 | Thermal ink jet printer and a method of driving the same | — | 1998-03-31 |
| 5729260 | Ink jet printer with high power, short duration pulse | Kenji Yamada, Kazuo Shimizu, Osamu Machida | 1998-03-17 |
| 5710583 | Ink jet image recorder | — | 1998-01-20 |
| 5697144 | Method of producing a head for the printer | Kenji Yamada, Katsunori Kawasumi, Kazuo Shimizu, Osamu Machida | 1997-12-16 |
| 5670996 | Thermal ink jet recording device and method of cleaning a recording head | — | 1997-09-23 |
| 5666140 | Ink jet print head | Kenji Yamada, Osamu Machida | 1997-09-09 |
| 5621524 | Method for testing ink-jet recording heads | — | 1997-04-15 |
| 5514905 | Semiconductor device | Toshiyuki Sakuta, Kazuyuki Miyazawa, Satoshi Oguchi, Aizo Kaneda, Shozo Nakamura +2 more | 1996-05-07 |
| 5499087 | Heat fixing device and electrophotographic apparatus incorporating the same having a PTC heating element received in a recess of a holder | Chikara Hiraoka, Junichi Matsuno, Hiroshi Oda, Toshikazu Tsumura | 1996-03-12 |