Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608799 | Solid-state laser processing apparatus and laser welding process | Hironari Mikata, Akio Sato, Kazuki Kuba, Shuichi Fujikawa, Toshiaki Watanabe | 2009-10-27 |
| 7560661 | Laser beam machine | Toshiyoshi Ichikawa, Wataru Iida, Akio Satou, Hironari Mikata | 2009-07-14 |
| 6856634 | Laser processing device and laser processing method | — | 2005-02-15 |
| 6838638 | Laser beam machining method | Akio Satou | 2005-01-04 |
| 6626136 | Valve timing control apparatus for internal combustion engine | Yoshikazu Ishii | 2003-09-30 |
| 6530351 | Apparatus for controlling valve timing of internal combustion engine | — | 2003-03-11 |
| 6405697 | Valve characteristic control apparatus of internal combustion engine and methods of controlling valve characteristics | — | 2002-06-18 |
| 6386164 | Valve timing control apparatus for internal combustion engine | Yoshikazu Ishii | 2002-05-14 |
| 6298813 | Variable valve apparatus of internal combustion engine | Ken Asakura, Toshiaki Hamaguri | 2001-10-09 |
| 6256897 | Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus | — | 2001-07-10 |
| 6244230 | Variable valve timing apparatus | — | 2001-06-12 |
| 6000368 | Three-dimensional camshaft and its manufacturing method | — | 1999-12-14 |
| 5797361 | Variable valve timing mechanism for internal combustion engine | Tatsuo Iida | 1998-08-25 |
| 5779770 | Magnetic field type oxygen enriched air producing apparatus | Shoichiro Nitta, Takashi Izuo, Shinzo Kobuki, Yozo Ito, Kazuhiro Asayama | 1998-07-14 |
| 5738056 | Variable valve timing mechanism for internal combustion engine | Tatsuo Iida | 1998-04-14 |
| 5727386 | Structure of an exhaust manifold branch collecting portion | Yoshimasa Watanabe, Makoto Yokota, Shigeki Yasuhara, Satoru Takahashi | 1998-03-17 |
| 5724929 | Engine variable valve timing mechanism | Ken Asakura, Tatsuo Iida | 1998-03-10 |