Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616417 | Semiconductor device including protection circuit and switch circuit and its testing method | — | 2009-11-10 |
| 7400163 | Dead time control circuit capable of adjusting temperature characteristics of dead time | Hiroshi Yanagigawa | 2008-07-15 |
| 7359171 | Current limiting circuit and output circuit including the same | — | 2008-04-15 |
| 7012792 | Semiconductor integrated circuit | — | 2006-03-14 |
| 6922383 | Recording apparatus with light power control for use with optical recording medium and method thereof | Haruyasu Sakata, Hiroyuki Tanaka | 2005-07-26 |
| 6891783 | Information recording/reproducing apparatus including a recording controller which operates based on prepit detection | Haruyasu Sakata | 2005-05-10 |
| 6838809 | Chromate film-containing plug metal component and method for producing the same | Hiroaki Nasu, Wataru Matsutani, Makoto Sugimoto | 2005-01-04 |
| 6518799 | Comparator and a control circuit for a power MOSFET | — | 2003-02-11 |
| 5723948 | Helix travelling-wave tube with a maximum small signal gain at the operating voltage | — | 1998-03-03 |
| 5340949 | Metering system capable of easily effecting high-accuracy metering for various works including sticky materials | Masahiro Fujimura | 1994-08-23 |
| 5110516 | Process of making a lead wire of hard carbon | — | 1992-05-05 |
| 5096633 | Process of making a diaphragm of carbonaceous material | — | 1992-03-17 |
| 4950443 | Process for producing carbon product with coarse and dense structure | Takamasa Kawakubo, Yoshihisa Suda | 1990-08-21 |
| 4916292 | Coiled resistance heating element of carbonaceous material | Takamasa Kawakubo, Yoshihisa Suda | 1990-04-10 |
| 4894215 | Process for producing porous materials of carbon | Takamasa Kawakubo, Yoshihisa Suda | 1990-01-16 |
| 4882103 | Process for producing carbon product having coarse and dense structure | Takamasa Kawakubo, Yoshihisa Suda | 1989-11-21 |
| 4882102 | Process for producing hard carbonaceous sheets | Takamasa Kawakubo, Yoshihisa Suda | 1989-11-21 |
| 4855093 | Process of making a diaphragm of carbonaceous materials for a speaker | — | 1989-08-08 |