Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994481 | Concentration measurement device | Susumu Kamiyama, Hajime Kano, Shinya Nakagawa, Hideyuki Nakao, Takashi Kasai | 2024-05-28 |
| 11635395 | Mixture ratio calculation device | Shinya Nakagawa, Susumu Kamiyama, Hajime Kano, Hideyuki Nakao | 2023-04-25 |
| 11112285 | Flow measurement device, flow measurement method, and flow measurement program | Hideyuki Nakao, Katsuyuki Yamamoto, Ryuhei Goto | 2021-09-07 |
| 7949697 | Bit field operation circuit | — | 2011-05-24 |
| 7403437 | ROM test method and ROM test circuit | — | 2008-07-22 |
| 5147231 | Propeller driving system for marine propulsion unit | Takaji Kawai | 1992-09-15 |
| 5006084 | Shift device for marine propulsion | — | 1991-04-09 |
| 5000708 | Propeller driving system for marine propulsion unit | Takaji Kawai | 1991-03-19 |
| 4895120 | Ignition control system for an internal combustion engine | Motoi Tobinaga, Shingeo Okumura | 1990-01-23 |
| 4790279 | Ignition control system for an internal combustion engine | Motoi Tobinaga, Shigeo Okumura, Shinya Atsumi | 1988-12-13 |
| 4632662 | Mounting structure for an electronic parts unit of an outboard engine | — | 1986-12-30 |
| 4606315 | Ignition control system for an internal combustion engine | Motoi Tobinaga, Shigeo Okumura, Shinya Atsumi | 1986-08-19 |
| 4545769 | Tilt locking system for boat propellers | Ryoji Nakahama | 1985-10-08 |