Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756941 | Method and device for performing channel estimation | Damien Castelain | 2020-08-25 |
| 8626432 | Vehicle safe driving promotion system | Yoshitaka Nishiyama, Osamu Uekusa | 2014-01-07 |
| 5568844 | Braking apparatus operated via resilient deformation of coned disk springs | Seiji Hirohashi | 1996-10-29 |
| 5412172 | Spot welding machine | Wataru Ichikawa, Seiji Hirohashi | 1995-05-02 |
| 5277101 | Rodless cylinder apparatus | Wataru Ichikawa, Shigeo Tsuru, Yoshifumi Umemura | 1994-01-11 |
| 5194709 | Method for checking a spot welded portion and spot welding machine | Wataru Ichikawa, Seiji Hirohashi, Masaru Ohara, Yasuyuki Mizutani, Yuji Taya +2 more | 1993-03-16 |
| 5006798 | Position detection using reluctance changes induced by displacement of metallic balls | Wataru Ichikawa | 1991-04-09 |
| 4951048 | Absolute linear position detection device | Wataru Ichikawa | 1990-08-21 |
| 4879555 | Absolute linear position detection device | Wataru Ichikawa | 1989-11-07 |
| 4764767 | Absolute rotational position detection device | Wataru Ichikawa | 1988-08-16 |
| 4743786 | Rotational position detection device | Wataru Ichikawa, Takeo Maruyama | 1988-05-10 |
| 4717874 | Reluctance type linear position detection device | Wataru Ichikawa | 1988-01-05 |
| 4695235 | Bag-cylinder control device in a tire vulcanizer | Wataru Ichikawa, Yoshiaki Hirata, Mikiya Ito | 1987-09-22 |