Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356303 | Information processing apparatus and communication system | Noriaki Ito, Hiroki Kawasaki, Satoru Ikeda | 2025-07-08 |
| 12292735 | Information processing apparatus and information processing method | Noriaki Ito, Hiroki Kawasaki, Satoru Ikeda | 2025-05-06 |
| 12244746 | Wireless communication apparatus and vehicle | Takuma Sawaya, Hironobu Yamamoto, Noriaki Ito, Hiroki Kawasaki, Satoru Ikeda | 2025-03-04 |
| 12028801 | Communications device, vehicle, control method, and control program | — | 2024-07-02 |
| 11423707 | In-vehicle device and vehicle information collection system | — | 2022-08-23 |
| 9629052 | Traffic management server | Hideki Okita, Rintaro Katayama | 2017-04-18 |
| 8699402 | Multi-hop relay radio communication system, access gateway, and route selection method | Koji Watanabe | 2014-04-15 |
| 8400983 | Communication system and method, and gateway | Koji Watanabe, Yosuke Takahashi, Yuichiro Katsu | 2013-03-19 |
| 6602044 | Pump turbine, method of controlling thereof, and method of stopping thereof | Takao Kuwabara, Kei Katayama, Haruki Hagiwara | 2003-08-05 |
| 6336322 | Method of controlling a pump turbine | Takao Kuwabara, Kei Katayama, Haruki Hagiwara | 2002-01-08 |
| 6050032 | Safety fence for a hatch formed in a slab | Kenichi Yamada, Yukio Nakaya, Mituru Hori | 2000-04-18 |
| 5561358 | Variable speed pumping-up generator | Takao Kuwabara, Masataka Harada, Yasuteru Oono | 1996-10-01 |
| 5456115 | Method of counterflow through a pump and method of controlling the operation of a pump in a pumping installation | Takao Kuwabara, Ezo Kita, Isao Yokoyama, Yasuteru Oono | 1995-10-10 |
| 5265002 | Fault protection for a multiphase bridge power converter | Akira Bando, Chikara Tanaka, Keiji Saito, Tadao Kawai, Eizo Kita +2 more | 1993-11-23 |
| 5099409 | Semiconductor electric power conversion system enabling fault and/or overtemperature protection | Akira Bando, Chikara Tanaka, Keiji Saito, Tadao Kawai, Eizo Kita +2 more | 1992-03-24 |
| 5090872 | Method of controlling the operation of a pump in a pumping installation by detecting counterflow | Takao Kuwabara, Ezo Kita, Isao Yokoyama, Yasuteru Oono | 1992-02-25 |
| 5026256 | Variable speed pumping-up system | Takao Kuwabara, Hisao Inoue, Eizo Kita | 1991-06-25 |
| 4980629 | AC-excited generator/motor apparatus | Akira Bando, Osamu Nagura, Shigehiro Kayukawa, Junichi Shiozaki, Akira Momiyama +1 more | 1990-12-25 |
| 4952852 | Power system and synchronizing breakers for a variable speed generator motor system | Akira Bando, Osamu Nagura, Keiji Saito, Ikuro Miyashita, Hashime Nagai +1 more | 1990-08-28 |
| 4920277 | Control system for a variable speed hydro-power plant apparatus | Takao Kuwabara, Eizo Kita | 1990-04-24 |
| 4870339 | Variable-speed power generating system | Yosio Furukawa, Yasuhiro Yasaka, Osamu Nagura, Eiji Haraguchi, Yasuteru Oono | 1989-09-26 |
| 4823018 | Control system for variable speed water-wheel generator apparatus | Takao Kuwabara, Akira Bando, Eiji Haraguchi | 1989-04-18 |
| 4812729 | Protecting apparatus for secondary excitation type variable speed AC generator/motor | Akio Ito, Hidenori Sawa, Hiroshi Sugisaka, Shigeaki Hayashi, Yasuteru Oono +1 more | 1989-03-14 |
| 4812730 | Variable-speed generator/motor system | Yasuteru Oono, Tadaatsu Kato, Osamu Nagura, Sadahiko Niwa, Yosio Furukawa +1 more | 1989-03-14 |
| 4766360 | Induction generator/motor system | Eiji Haraguchi, Akira Bando, Yoji Tanaka, Kenichi Ono, Hiroshi Kashiwazaki +1 more | 1988-08-23 |