Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211754 | Method of manufacturing a substrate for a liquid jet recording head, substrate manufactured by the method, liquid jet recording head formed by use of the substrate, and liquid jet recording apparatus having the head | — | 1993-05-18 |
| 5152361 | Motorcycle | Takashi Hasegawa, Yutaka Machida, Akira Hayashi, Michio Asumi, Isamu Takahashi | 1992-10-06 |
| 5153610 | Liquid jet recording head | Hiroto Matsuda, Hiroto Takahashi, Makoto Shibata, Masami Ikeda, Hisanori Tsuda | 1992-10-06 |
| 5062937 | Process for preparing an ink jet head | — | 1991-11-05 |
| 4983993 | Thermal recording head | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1991-01-08 |
| 4970532 | Liquid jet recording head | Hiromichi Noguchi, Takahiro Mori | 1990-11-13 |
| 4968992 | Method for manufacturing a liquid jet recording head having a protective layer formed by etching | — | 1990-11-06 |
| 4965594 | Liquid jet recording head with laminated heat resistive layers on a support member | — | 1990-10-23 |
| 4956654 | Liquid injection recording head with flexible support | Hiroto Matsuda, Hiroto Takahashi, Makoto Shibata, Masami Ikeda, Hisanori Tsuda | 1990-09-11 |
| 4936952 | Method for manufacturing a liquid jet recording head | — | 1990-06-26 |
| 4922269 | Liquid jet recording head unit, method of making same and liquid jet recording apparatus incorporating same | Masami Ikeda | 1990-05-01 |
| 4889587 | Method of preparing a substrate for ink jet head and method of preparing an ink jet head | — | 1989-12-26 |
| 4881318 | Method of manufacturing a liquid jet recording head | Masami Ikeda | 1989-11-21 |
| 4873622 | Liquid jet recording head | Masami Ikeda | 1989-10-10 |
| 4870388 | Heat-generating resistor and heat-generating resistance element using same | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1989-09-26 |
| 4860033 | Base plate having an oxidation film and an insulating film for ink jet recording head and ink jet recording head using said base plate | Atsushi Shiozaki, Koichi Sato, Kazuaki Masuda | 1989-08-22 |
| 4851808 | Heat-generating resistor and heat-generating resistance device by use of said heat-generating resistor | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1989-07-25 |
| 4847639 | Liquid jet recording head and recording system incorporating the same | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1989-07-11 |
| 4845513 | Thermal recording head | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1989-07-04 |
| 4804974 | Thermal recording head | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1989-02-14 |
| 4783369 | Heat-generating resistor and heat-generating resistance element using same | Masao Sugata, Tatsuo Masaki, deceased, Shinichi Hirasawa, Yasuhiro Yano | 1988-11-08 |
| 4777494 | Process for manufacturing an electrothermal transducer for a liquid jet recording head by anodic oxidation of exposed portions of the transducer | Makoto Shibata, Hiroto Matsuda, Masami Ikeda, Hiroto Takahashi | 1988-10-11 |
| 4720716 | Liquid jet recording head | Masami Ikeda, Makoto Shibata, Hiroto Takahashi, Hiroto Matsuda, Hisanori Tsuda | 1988-01-19 |
| 4719478 | Heat generating resistor, recording head using such resistor and drive method therefor | Masayoshi Tachihara, Shinichi Hirasawa, Masami Ikeda, Akira Asai | 1988-01-12 |