Issued Patents All Time
Showing 226–246 of 246 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006867 | Recording head for an ink jet recording apparatus having a plurality of temperature detection elements | Yutaka Koizumi, Minoru Nozawa, Toshihiro Mori | 1991-04-09 |
| 4987056 | Photopolymerizable composition | Satoshi Imahashi, Katuhiro Yamashita | 1991-01-22 |
| 4985881 | Record carrier for a magneto-optical disc memory having guide grooves of a plurality of tracks disposed with a predetermined relation to light spot diameter | Masahiro Ojima, Masaru Ito | 1991-01-15 |
| 4980877 | Optical recording and reproducing system with high track density and low cross-talk | Hisataka Sugiyama, Takeshi Maeda | 1990-12-25 |
| 4969137 | Optical recording and reproducing apparatus having a multi-spot positioning control mechanism | Hisataka Sugiyama, Takeshi Maeda, Fumio Hara | 1990-11-06 |
| 4961182 | Information retrieving system with level clamping | Takeshi Maeda | 1990-10-02 |
| 4947191 | Ink jet recording apparatus | Minoru Nozawa, Yutaka Koizumi, Toshihiro Mori | 1990-08-07 |
| 4908636 | Recovery device having a protruding portion providing reduced pressure for improved recovery and method using same | Yutaka Koizumi, Toshihiro Mori, Minoru Nozawa | 1990-03-13 |
| 4896172 | Liquid injection recording apparatus including recording liquid circulation control | Minoru Nozawa, Yutaka Koizumi, Toshihiro Mori | 1990-01-23 |
| 4894816 | Optical information recording apparatus | Hirofumi Sukeda, Masahiro Ojima | 1990-01-16 |
| 4866692 | Method and apparatus for information recording and reproduction of a pit-shape-forming optical recording type | Takeshi Maeda, Hisataka Sugiyama, Wasao Takasugi | 1989-09-12 |
| 4845136 | Adhesive resin composition | Yasuhiro Okuri, Takahiro Nakano, Masahiko Murakami, Masaaki Okuda | 1989-07-04 |
| 4835759 | Method and apparatus for compensating variation of read data in an optical data storage | Takeshi Maeda, Hisataka Sugiyama, Kazuo Shigematsu, Wasao Takasugi | 1989-05-30 |
| 4788672 | Method and apparatus for controlling renewal of data in optical disc memory | Takashi Toyooka, Norio Ohta, Yutaka Sugita, Kazuo Shigematsu | 1988-11-29 |
| 4748459 | Ink jet recording apparatus and capping device | Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma | 1988-05-31 |
| 4743774 | Method and apparatus for optical detection of information | Takeshi Maeda, Shigeru Nakamura, Hisataka Sugiyama, Kazuo Shigematsu | 1988-05-10 |
| 4737801 | Ink supply device and an ink jet recording apparatus having the ink supply device | Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma | 1988-04-12 |
| 4712203 | Method and apparatus for thermo magnetic recording/erasing information with preselected magnetic field switching | Masahiro Ojima, Takeshi Maeda, Tsuyoshi Kato | 1987-12-08 |
| 4704620 | Temperature control system and ink jet printer utilizing the temperature control system | Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma | 1987-11-03 |
| 4695855 | Ink jet recorder | Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma | 1987-09-22 |
| 4672593 | Optical head with improved extinction ratio for magneto-optical memory | Masahiro Ojima, Tsuyoshi Kato | 1987-06-09 |