Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847811 | Catalyst particle, and electrode catalyst, electrolyte membrane-electrode assembly, and fuel cell using the same | Kazuki Arihara, Hiroyuki Tanaka, Takahiro Kaito, Seiho Sugawara, Tsukuru Ohwaki | 2020-11-24 |
| 10014532 | Catalyst particle, and electrode catalyst, electrolyte membrane-electrode assembly, and fuel cell using the same | Kazuki Arihara, Hiroyuki Tanaka, Takahiro Kaito, Seiho Sugawara, Tsukuru Ohwaki | 2018-07-03 |
| 6173570 | Exhaust gas purification device for internal combustion engine | Kouji Ishihara | 2001-01-16 |
| 5050555 | System and method for controlling ignition timing for internal combustion engine in which alcohol is mixed with gasoline | — | 1991-09-24 |
| 5014670 | Spark ignition timing control system for internal combustion engine | — | 1991-05-14 |
| 4998518 | Swirl control system for lean-burn engines | — | 1991-03-12 |
| 4993388 | Spark ignition timing control system for internal combustion engine adapted to mixture fuel of more than one individual fuels having mutually different combustion characteristics | — | 1991-02-19 |