Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10333606 | Method for estimating channel state and controlling transmission/reception signal by multiple antenna device, and multiple antenna device using same | Kentaro Nishimori | 2019-06-25 |
| 8154467 | Antenna apparatus and wireless communication terminal | — | 2012-04-10 |
| 8102830 | MIMO radio communication apparatus and method | Atsuya Yokoi | 2012-01-24 |
| 7683841 | Antenna device | — | 2010-03-23 |
| 7579991 | Portable wireless apparatus | — | 2009-08-25 |
| 6953539 | Composite material | Shuhei Ishikawa, Ken Suzuki, Nobuaki Nakayama, Hiroyuki Takeuchi, Seiji Yasui | 2005-10-11 |
| 6933531 | Heat sink material and method of manufacturing the heat sink material | Shuhei Ishikawa, Ken Suzuki, Nobuaki Nakayama, Hiroyuki Takeuchi, Seiji Yasui | 2005-08-23 |
| 6927421 | Heat sink material | Shuhei Ishikawa, Hiroyuki Takeuchi, Seiji Yasui, Ken Suzuki, Nobuaki Nakayama | 2005-08-09 |
| 6667717 | Planar inverted F antenna | — | 2003-12-23 |
| 6479095 | Composite material for heat sinks for semiconductor devices and method for producing the same | Shuhei Ishikawa | 2002-11-12 |
| 6351251 | Helical antenna | — | 2002-02-26 |
| 6110577 | Composite material for heat sinks for semiconductor devices and method for producing the same | Shuhei Ishikawa | 2000-08-29 |
| 5465099 | Detectable device and movable item detecting system | Noriyuki Akaba, Yukitsugu Shimokawa | 1995-11-07 |
| 5415836 | Antifouling structure and method | Toshio Yoshioka, Tatsumi Hayakawa, Kiichi Yamamoto | 1995-05-16 |
| 5075616 | Engine generator apparatus and method of operating same | — | 1991-12-24 |
| 4948997 | Starter and power generator and associated motor | Takashi Ohmitsu | 1990-08-14 |
| 4800497 | Clutch pressure control apparatus | Yasuo Koori | 1989-01-24 |
| 4657041 | Oil pressure control apparatus | — | 1987-04-14 |
| 4620624 | Automatic clutch control system | Hideyuki Kobayashi, Kouichiro Hirosawa | 1986-11-04 |
| 4615425 | Automatic clutch control system | Hideyuki Kobayashi | 1986-10-07 |
| 4608535 | Magnetic field and current measuring device using a Faraday cell with a thin electrically conductive film substantially covering the Faraday cell | Kohji Tada, Yoshiki Kuhara, Masami Tatsumi | 1986-08-26 |
| 4560932 | Magneto-optical converter utilizing Faraday effect | Konji Tada, Yoshiki Kuhara, Masami Tatsumi | 1985-12-24 |
| 4529072 | Automatic clutch control system | Tomio Oguma, Kouichiro Hirosawa | 1985-07-16 |
| 4518068 | Automatic clutch control system | Tomio Oguma, Kouichiro Hirosawa | 1985-05-21 |
| 4475637 | Automatic clutch control system | Tomio Oguma, Kouichiro Hirosawa | 1984-10-09 |