Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923699 | Method of making a spark plug | Yoshihiro Matsubara, Shinichi Hiramatsu, Kazumi Kawamura | 2005-08-02 |
| 6864623 | Spark plug | — | 2005-03-08 |
| 6749253 | Hook and catch assembly | Robert Zummallen, Shawn L. Tarr, Andrew K. Swayne, Pete Cardimen, Skye Malcom +5 more | 2004-06-15 |
| 6689130 | Treatment apparatus for endoscope | Keiichi Arai, Hiroyoshi Watanabe, Keita Suzuki, Yoshihiko Sugi, Koichi Kawashima | 2004-02-10 |
| 6530253 | Method for producing cylindrical member having spline grooves, and cylindrical member having spline grooves | Masahiro Gotou, Masaki Nakajima, Yuji Nakai, Hideyuki Nagai, Daisuke IWATA +3 more | 2003-03-11 |
| 6478367 | Vehicle body reinforcement structure | — | 2002-11-12 |
| 6474123 | Electronic key device | Shozo Kito, Hiroyuki Sugiyama | 2002-11-05 |
| 6306081 | Hood for an endoscope | Koichi Kawashima | 2001-10-23 |
| 6305430 | Reinforcement structure for pipe | — | 2001-10-23 |
| 6101667 | Vacuum cleaner | — | 2000-08-15 |
| 6071233 | Endoscope | Koichi Kawashima, Tetsuya Yamamoto, Takayuki Suzuki, Tsutomu Okada | 2000-06-06 |
| 6059719 | Endoscope system | Tetsuya Yamamoto, Koichi Kawashima, Hideki Shimonaka, Koji Kanbara, Takayuki Suzuki +3 more | 2000-05-09 |
| 5734094 | Ion current detector device for use in an internal combustion engine | Yoshihiro Matsubara, Mamoru Kodera, Terumasa Tomita | 1998-03-31 |
| 5691686 | Transformer zero-phase current transformer | Osamu Hasegawa, Yasuhiko Ookubo, Morio Machida | 1997-11-25 |
| 5638510 | Multiplexed system with watch dog timers | — | 1997-06-10 |
| 5572767 | Generator system for a vacuum cleaner | — | 1996-11-12 |
| 5539614 | Control unit, plug-in unit, transformer, zero-phase current transformer, and frequency measuring circuit applied to control center | Osamu Hasegawa | 1996-07-23 |
| 5532432 | Control unit, plug-in unit, transformer, zero-phase current transformer, and frequency measuring circuit applied to control center | — | 1996-07-02 |
| 5521509 | Device of estimating heat resistivity for a spark plug and a method of estimating the same | Yoshihiro Matsubara | 1996-05-28 |
| 5479262 | Digital image forming apparatus | Kazuhiko Namiki, Eiko Mito, Michihito Ohashi, Isamu Tanaka | 1995-12-26 |
| 5423684 | Apparatus and method for forming a switchboard unit circuit | — | 1995-06-13 |
| 5404612 | Vacuum cleaner | — | 1995-04-11 |
| 5364203 | Bus bar connecting device | — | 1994-11-15 |
| 5151612 | Circuit for eliminating digital noise or short pulses utilizing set/reset shift register | — | 1992-09-29 |
| 5134429 | Instant photographic apparatus | Koji Ozaki, Harumitsu Mashiko, Takashi Seto, Kazuhisa Takahashi, Fumihiko Hoshi | 1992-07-28 |