Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403853 | Vehicle | Yuuki Mukaigawa, Naoki Tani, Ryuma OSAKA, Shungo IIZUKA, Shunji Shibata +2 more | 2025-09-02 |
| 12344309 | Vehicle-body lower structure | Hiroyuki Kurata, Ryuma OSAKA, Kenji IGASHIRA, Shinnosuke Okuda, Hideyuki Tamaki | 2025-07-01 |
| 10720663 | Laminated battery module | Masayuki Kitaura, Seigo FUJISHIMA, Yukihiro Isogai | 2020-07-21 |
| 10189552 | Ship propulsion method and ship propulsion device | Koichi Shiraishi, Takuro Hatamoto | 2019-01-29 |
| 9543554 | Battery device that holds batteries | Shinichi Takeda, Jin Kasuya, Yoshiaki Kameda, Kosuke Kusaba, Yukihiro Isogai +2 more | 2017-01-10 |
| 8556668 | Marine propulsion device | Yoshiki Nanke, Koichi Shiraishi, Yasuo Aizawa, Toshiyuki Saito | 2013-10-15 |
| 4636701 | System for controlling rotation of rotary mechanism in Z-type propulsion apparatus | Yasuo Aizawa, Kohji Ichijo | 1987-01-13 |
| 4611549 | Rotation control system for Z-type propulsion apparatus | Yasuo Aizawa, Kohji Ichijo | 1986-09-16 |
| 4610214 | Rotation control system for Z-type propulsion apparatus | Yasuo Aizawa, Kohji Ichijo | 1986-09-09 |