Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890590 | Fail-safe method and apparatus for internal combustion engines | Shigenori Isomura, Mitsunori Takao, Kenichiro Kamai | 1990-01-02 |
SI
Shinichi Iwamoto
Nippondenso Co.: 6 patents #366 of 3,479Top 15%
Shimadzu: 5 patents #357 of 2,007Top 20%
Fujitsu Ten Limited: 4 patents #131 of 996Top 15%
Hitachi Maxell: 4 patents #247 of 1,211Top 25%
Nec: 2 patents #5,510 of 14,502Top 40%
HP: 2 patents #2,312 of 7,018Top 35%
Hitachi Maxell Energy: 1 patents #2 of 38Top 6%
Overall (All Time): #151,498 of 4,157,543Top 4%
26
Patents All Time