Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340559 | Memory product controller, memory product control method, and memory product | Katsutoshi Yano, Isamu Yamada | 2008-03-04 |
| 7336060 | Circuit and method for controlling a DC-DC converter by enabling the synchronous rectifier during undervoltage lockout | — | 2008-02-26 |
| 7250745 | Control circuit of DC-DC converter and its control method | Katsuyuki Yasukouchi | 2007-07-31 |
| 7221131 | Control circuit for DC-DC converter in semiconductor integrated circuit device | Hidekiyo Ozawa, Chikara Tsuchiya, Yasushige Ogawa | 2007-05-22 |
| 7218088 | Control circuit of DC-DC converter and control method thereof | — | 2007-05-15 |
| 7061218 | Control circuit of DC—DC converter and control method thereof | — | 2006-06-13 |
| 6735615 | Status change notification system for use in chat system channel | Noboru Iwayama, Kenichi Sasaki, Tatsuro Matsumoto, Hitoshi Yamauchi, Kazuki Matsui | 2004-05-11 |
| 6700231 | Thrust converter, method of controlling the same, and controller for controlling the same | Kouichi Takamune, Seiichi Mimura, Yoshiyuki Hatsutori, Yoshio Kasuga, Takao Mizutani | 2004-03-02 |
| 6667607 | Power supply circuit for clamping excessive input voltage at predetermined voltage | Hiroshi Kawamura, Katsuya Shimizu, Hiroto Nakamichi | 2003-12-23 |
| 6611132 | DC-DC converter, power supply circuit, method for controlling DC-DC converter, and method for controlling power supply circuit | Shinichi Nakagawa | 2003-08-26 |
| 6570282 | Cylinder servomotor | Kouichi Takamune, Takao Mizutani | 2003-05-27 |
| 6564244 | System for chat network search notifying user of changed-status chat network meeting user-tailored input predetermined parameters relating to search preferences | Kazuki Matsui, Tatsuro Matsumoto, Hitoshi Yamauchi, Noboru Iwayama, Kenichi Sasaki | 2003-05-13 |
| 6393461 | Communication management system for a chat system | Sumiyo Okada, Masahiko Murakami, Yasuhide Matsumoto, Tatsuro Matsumoto, Kenichi Sasaki +1 more | 2002-05-21 |
| 6345290 | Chat system displaying attribute information, number of statements or amount of statements in registered channel | Sumiyo Okada, Masahiko Murakami, Yasuhide Matsumoto, Tatsuro Matsumoto, Hitoshi Yamauchi +1 more | 2002-02-05 |
| 6343333 | Service executive apparatus having services and corresponding scripts registered in service and condition tables | Yasuhide Matsumoto, Masahiko Murakami, Sumiyo Okada, Tatsuro Matsumoto, Hitoshi Yamauchi +1 more | 2002-01-29 |
| 6163217 | Operational amplifier | Kunihiro Matsubara, Shinichi Nakagawa | 2000-12-19 |
| 5802298 | Defect-free type remote procedure call system and method thereof | Yuji Imai, Masahiro Komura | 1998-09-01 |
| 5548162 | Electronic circuit having comparator | Katsuya Shimizu, Kenzo Hashikawa, Yasuhiro Yamakawa | 1996-08-20 |
| 5502629 | DC-DC converter | Hiroko Mizuno | 1996-03-26 |
| 5479088 | Chopper type DC-DC converter | Toshiyuki Hayakawa, Shinichi Nakagawa | 1995-12-26 |
| 5245524 | DC-DC converter of charge pump type | Shinichi Nakagawa | 1993-09-14 |
| 5159288 | Receiver circuit having first and second amplifiers | — | 1992-10-27 |
| 5034677 | Bias voltage supplying circuit | Fumihiko Sato | 1991-07-23 |