Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429167 | High pressure gas container and production method therefor | Hiroshi Okano, Kazuki Matsubara, Shusaku Takagi, Nobuyuki Ishikawa | 2025-09-30 |
| 12264778 | High-pressure hydrogen container | Hiroshi Okano, Kazuki Matsubara, Shusaku Takagi, Nobuyuki Ishikawa | 2025-04-01 |
| 12222069 | High-pressure hydrogen tank | Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara | 2025-02-11 |
| 12203602 | Hydrogen supply system | Hiroshi Okano, Shusaku Takagi, Nobuyuki Ishikawa, Akihide Nagao, Kazuki Matsubara +4 more | 2025-01-21 |
| 12031674 | High-pressure hydrogen container | Hiroshi Okano, Kotaro Kadota, Shusaku Takagi, Kazuki Matsubara | 2024-07-09 |
| 11982644 | Life estimation apparatus for accumulator and life extension method for pressure accumulator | Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara | 2024-05-14 |
| 11788687 | Method of manufacturing pressure accumulator | Hiroshi Okano, Akihide Nagao, Nobuyuki Ishikawa, Kazuki Matsubara | 2023-10-17 |
| 10837602 | Hydrogen storage tank | Shusaku Takagi, Akihide Nagao, Mitsuo Kimura, Nobuyuki Ishikawa | 2020-11-17 |
| 7681753 | Hybrid hydrogen storage container and method of storing hydrogen in container | Tomoyuki Yokota, Kenjiro Hamada, Hidekazu Tsuruta, Nobuhiro Kuriyama, Hiroyuki Takeshita +1 more | 2010-03-23 |
| 5171294 | Torque distribution control system for a four-wheel drive motor vehicle | Toshio Kobayashi | 1992-12-15 |
| 4979394 | Non-destructive inspection method | Yakichi Higo, Shigetomo Nunomura, Junichiro Matsuoka, Tadashi Ashida | 1990-12-25 |
| 4909207 | Cleaning system for fuel injectors | Keiichi Shindo, Yasuhiro Iwata, Masamitsu Higuchi, Atsushi Fujimoto, Hidehiro Nishizawa | 1990-03-20 |
| 4782934 | Control system for a continuously variable transmission | Hiroshi Tanaka, Motohisa Miyawaki | 1988-11-08 |
| 4755234 | Method of manufacturing pressure vessel steel with high strength and toughness | Haruo Suzuki, Koshiro Tsukada, Hiroaki Tsukamoto | 1988-07-05 |
| 4680712 | System for controlling an electromagnetic clutch for a vehicle | Ryuzo Sakakiyama | 1987-07-14 |
| 4644827 | Hydraulic control system for an infinitely variable belt-drive transmission | Ryuzo Sakakiyama | 1987-02-24 |
| 4645046 | Parking lock mechanism for a vehicle having an infinitely variable transmission | Masahiko Takahashi | 1987-02-24 |
| 4605112 | Control system for an infinitely variable transmission with an electromagnetic powder clutch | — | 1986-08-12 |
| 4556134 | Power transmission system for a four-wheel drive vehicle | — | 1985-12-03 |
| 4552036 | Automatic transmission for automotive vehicles | Toshio Kobayashi | 1985-11-12 |
| 4515257 | Control system for an electromagnetic clutch for automobiles | Ryuzo Sakakiyama | 1985-05-07 |
| 4494639 | Electro-magnetic clutch control system for automobiles | Ryuzo Sakakiyama | 1985-01-22 |
| 4493403 | Parking lock mechanism for a shift lever | Shinichiro Mura | 1985-01-15 |
| 4485886 | Automatic transmission for a four-wheel drive vehicle | — | 1984-12-04 |
| 4484672 | System for controlling an electro-magnetic clutch for automobiles | Ryuzo Sakakiyama | 1984-11-27 |