Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558417 | Computer based engine control with lower priority interrupt requests generated in selected higher priority interrupt routines | Susumu Akiyama, Hiroyasu Fukaya, Haruhiko Ogiso, Yuji Hirabayashi, Takahide Kawamura | 1985-12-10 |
| 4553208 | Engine control event timing employing both crank angle rotation and time measurements | Susumu Akiyama, Hiroyasu Fukaya, Haruhiko Ogiso, Yuji Hirabayashi, Takahide Kawamura | 1985-11-12 |
| 4499544 | Electronic ignition control apparatus | Masahiro Ohba, Susumu Akiyama, Yuuji Hirabayashi, Satoshi Hirano, Naoto Ooka | 1985-02-12 |
| 4476532 | Method and apparatus for controlling the duty cycle of an off-on type valve by monitoring the history of the state of the valve | Susumu Akiyama, Hiroyasu Fukaya, Haruhiko Ogiso, Yuji Hirabayashi, Takahide Kawamura | 1984-10-09 |
| 4360874 | Electronic ignition control apparatus | Masahiro Ohba, Susumu Akiyama, Yuuji Hirabayashi, Satoshi Hirano, Naoto Ooka | 1982-11-23 |
| 4347570 | Method and apparatus for controlling ignition coil energization | Susumu Akiyama, Hiroyasu Fukaya, Haruhiko Ogiso, Yuji Hirabayashi, Takahide Kawamura | 1982-08-31 |