Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D344062 | Auxiliary element for ignition plugs for internal combustion engines for automobiles | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1994-02-08 |
| 5090373 | Auxiliary device attachable to a convention spark plug | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1992-02-25 |
| 5051651 | Ignition plug with a hollow cylindrical ground electrode and an ignition process by the use thereof | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1991-09-24 |
| 5007389 | Ignition plug for internal combustion engines and a process for igniting gas mixture by the use thereof | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1991-04-16 |
| 4983877 | Ignition plug for use in internal combustion engines to cause instantaneous combustion | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1991-01-08 |
| 4901688 | Ignition plug for use in internal combustion engines and an ignition process by the use thereof | Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi | 1990-02-20 |
| 4851732 | Spark plug having a flame deflector for use in an internal combustion engine | Ryohei Kashiwara, Hideaki Kashiwara | 1989-07-25 |
| 4808878 | Ignition plug for internal combustion engines to cause instant combustion | Ryohei Kashiwara, Hideaki Kashiwara | 1989-02-28 |
| 4401915 | Ignition plug for an internal combustion engine | Ryohei Kashiwara, Hideaki Kashiwara | 1983-08-30 |