Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319328 | Ground control device, radio communication apparatus, radio train control system, and train control method | Katsunori TSUCHIDA, Shuichi Takagi | 2025-06-03 |
| 12223635 | Test support method, test support device, and storage medium | Maho FUJIHARA, Daisuke TATEISHI, Hideo Nakata, Shiho Adachi, Keisuke Sugihara +1 more | 2025-02-11 |
| 11814090 | Railroad system, operation management device, operation management method, and non-transitory storage medium to store operation management program | Maho FUJIHARA, Daisuke TATEISHI, Hideo Nakata, Shota SHIMAYOSHI, Kenji Ueda | 2023-11-14 |
| 11359288 | Chemical conversion treatment agent, method for producing chemical conversion coating, metal material having chemical conversion coating, and painted metal material | Hidekazu Fukushi | 2022-06-14 |
| 11208128 | Course control device, wireless train control system, on-board device, course control method, and recording medium | Masashi HAGIWARA | 2021-12-28 |
| 11117601 | Radio train control system and radio train control method | Katsunori TSUCHIDA, Tomohiro Onishi | 2021-09-14 |
| 11040732 | Wireless train control system, ground control device, and wireless train control method | Masashi Asuka | 2021-06-22 |
| 11001282 | Rail state monitoring apparatus | Wataru Tsujita, Kenzo Makino, Bingnan Wang | 2021-05-11 |
| 10613953 | Start test method, system, and recording medium | Taku Komorida, Masato Fukumori, Haruhiko Ueno, Tsuyoshi Hashimoto | 2020-04-07 |
| 10392039 | Ground control device and wireless train control system | Masashi Asuka | 2019-08-27 |
| 9753829 | Power measurement apparatus and power measurement method | Mari Masuda, Haruhiko Ueno | 2017-09-05 |
| 9733948 | Information processing device, information processing method, and recording medium storing control program | Koji Fujita, Haruhiko Ueno | 2017-08-15 |
| 9642163 | Train control device | Yusaku Nagasaki, Masashi Asuka | 2017-05-02 |
| 8967553 | Train operation control system | Masashi Asuka, Satoru Takahashi, Koki Yoshimoto, Yusaku Nagasaki | 2015-03-03 |
| 6796729 | Shutter for camera | Hiroyuki Mizukami, Seiichi Imano, Seiichi Oishi | 2004-09-28 |
| 5719663 | Range finder apparatus | Toshiaki Hirai | 1998-02-17 |
| 5608488 | Data processing device for a camera | Toshiaki Hirai, Shinichi Endo, Yoshihisa Kurosawa | 1997-03-04 |
| 5175577 | Drive member sensing arrangement for an automatic focusing system of a camera | Nobuo Shinozaki, Hiroyuki Koizumi, Tadashi Ishikawa | 1992-12-29 |
| 5172158 | Shutter for a single lens reflex camera | Yukio Morino, Shigeru Tagami | 1992-12-15 |
| 4959680 | Camera system | Hiroaki Ishida, Ichiro Nemoto, Koji Sato, Yoichi Nakano, Isamu Ishii +1 more | 1990-09-25 |
| 4755835 | Time recorder with printing wheels and impression hammer | Masuo Ogihara, Hajime Oda, Tadashi Ishikawa, Toshiya Tamura | 1988-07-05 |
| 4751521 | Time recorder with automatic correction for momentary discontinuation of power supply | Masuo Ogihara, Hajime Oda, Tadashi Ishikawa, Toshiya Tamura | 1988-06-14 |