Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171556 | Personal information protection method, personal information protection system, processing device, portable transmitter/receiver, and program | Masamichi Torigai, Mikio Fujii | 2012-05-01 |
| 8031051 | Privacy protection method, device for transmitting identifier for privacy protection, privacy protection system and program, and monitoring system | — | 2011-10-04 |
| 4305358 | Internal combustion engine | Hirokazu Nakamura, Tsuneo Ohinouye, Kenji Hori, Yuhiko Kiyota, Tatsuro Nakagami +1 more | 1981-12-15 |
| 4210104 | Internal combustion engine | Hirokazu Nakamura, Tsuneo Ohinouye, Kenji Hori, Yuhiko Kiyota, Tatsuro Nakagami +1 more | 1980-07-01 |