Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046533 | Semiconductor device | Takaaki Shirasawa, Mitsunori Aiko | 2024-07-23 |
| 9133604 | Hydraulic control device for work machine | Katsuaki Kodaka, Yukihiro Tatsuno | 2015-09-15 |
| 8933568 | Semiconductor device | Yukio Yasuda, Hajime Kato, Kazuaki Hiyama, Taishi Sasaki, Mikio Ishihara | 2015-01-13 |
| 8806120 | Decoding device and decoding method | — | 2014-08-12 |
| D692029 | Hydraulic excavator | Kazuhiko Hiraoka, Masashi Nakanishi, Koji Kawasaki | 2013-10-22 |
| 8426962 | Semiconductor device | Taishi Sasaki, Mikio Ishihara | 2013-04-23 |
| 8032696 | Decoding device and semiconductor device which read file rewriting discrimination information | Akihiro Shibata | 2011-10-04 |
| 7532141 | Pulse width modulation method and digital analogue converter using the same | Naotake Kitahira | 2009-05-12 |
| 7425673 | Tone output device and integrated circuit for tone output | Kosei Fujisaka, Tetsuro Sugioka, Kazuki Adachi, Kiyomi Kimura | 2008-09-16 |
| 7013401 | Processor capable of preventing sleep/hold state based on a difference between a processing block address and a writing block address | Shiro Shimizu, Hiroshi Yasuda | 2006-03-14 |
| 6819149 | Gate drive device for reducing a surge voltage and switching loss | Takaaki Shirasawa | 2004-11-16 |
| 6642576 | Power semiconductor device having layered structure of power semiconductor elements and terminal members | Takaaki Shirasawa, Yasuo Koutake, Natsuki Tsuji | 2003-11-04 |
| 6523905 | Crawler carrier having an engine, a hydraulic pump and a heat exchanger positioned in a lateral direction | Seiji Tamura, Morio Oshina, Kiyoshi Hirasawa, Yoshinori Sendai | 2003-02-25 |
| 6105707 | Tired Roller | Seiji Tamura, Morio Oshina | 2000-08-22 |
| 6049253 | Operational amplifier | — | 2000-04-11 |
| 5124703 | Digital signal requantizing circuit using multistage noise shaping | Tetsuhiko Kaneaki | 1992-06-23 |