Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12088155 | Circuit and method for driving stepping motor | Hiroki Hashimoto, Masanori Tsuchihashi | 2024-09-10 |
| 11539690 | Authentication system, authentication method, and application providing method | Kazuhiro Nakagawa, Takanobu Watanabe | 2022-12-27 |
| 11418138 | Driving circuit and driving method of stepping motor and electronic machine using the same | Masanori Tsuchihashi, Hiroki Hashimoto | 2022-08-16 |
| 11381184 | Driving circuit for stepping motor, method of driving stepping motor, and electronic device using the same | Hiroki Hashimoto, Masanori Tsuchihashi, Ryota KOBAYASHI | 2022-07-05 |
| 11251728 | Driving circuit and driving method of stepping motor and electronic machine using the same | Masanori Tsuchihashi | 2022-02-15 |
| 11245347 | Driving circuit and driving method of stepping motor and electronic machine using the same | Masanori Tsuchihashi, Ryota KOBAYASHI | 2022-02-08 |
| 11153312 | User authentication method, evaluation device, non-transitory computer-readable storage medium, and user authentication system | Takanobu Watanabe | 2021-10-19 |
| 10525331 | Information processing device, information processing method and computer program | — | 2020-01-07 |
| 9667612 | CAPTCHA provision method and program | — | 2017-05-30 |
| 6428760 | Method for desulfurizing exhaust gas | Hideyuki Michiki, Hisashi Miyakawa, Tetsu Shimatani, Fumio Hori | 2002-08-06 |
| 5561104 | Hydraulic working oil composition for buffers | Toru Miyagawa, Shigeaki Hirata | 1996-10-01 |
| 5549838 | Hydraulic working oil composition for buffers | Toru Miyagawa, Tomomasa Osumi | 1996-08-27 |
| 5536423 | Hydraulic working oil composition for buffers | Toru Miyagawa | 1996-07-16 |
| 5372703 | Lubricating oils | Kouzou Kamiya, Isao Honjo, Toshio Yoshida, Masaru Ushio, Jinichi Igarashi +4 more | 1994-12-13 |
| 5348676 | Lubricating oil composition for food processing machineries | Hiroyuki Takashima, Teruo Shimizu | 1994-09-20 |
| 5346724 | Oil and fat composition for lubricating food processing machines and use thereof | Ryoji Ohgake, Hiroyuki Takashima, Teruo Shimizu, Narihito Yamamoto | 1994-09-13 |
| 5340596 | Method for preserving the degree of freshness of eggs | Ryoji Ohgake, Hiroyuki Takashima, Toshishige Kurosawa, Takashi Kurosawa, Seiji Oda +2 more | 1994-08-23 |
| 5185091 | Greasy oil and fat composition for food processing machines | Ryoji Ogake, Hiroyuki Takashima, Teruo Shimizu, Narihito Yamamoto, Hiroyuki Uenoyama | 1993-02-09 |
| 5171596 | Method for fresh preservation of foodstuffs | Ryoji Ohgake, Hiroyuki Takashima | 1992-12-15 |
| RE33782 | Valve | Yuichi Fujita, Takayuki Kaneko, Kazumi Shima, Hideaki Yanaru, Tohru Numaguchi | 1991-12-31 |
| 5034144 | Lubricating oil compositions for food processing machines | Ryoji Ohgake, Hiroyuki Takashima | 1991-07-23 |
| 5030498 | Displaying sheet and window display signboard in which said display sheet is utilized | Jiroh Sumitani | 1991-07-09 |
| 4988580 | Fuel cell power generating system | Kozo Ohsaki | 1991-01-29 |
| 4789132 | Valve | Yuichi Fujita, Takayuki Kaneko, Kazumi Shima, Hideaki Yanaru, Tohru Numaguchi | 1988-12-06 |
| 4723635 | Disk brake having a metal backing plate with extra long arcuate extensions at each end | Hideaki Tanaka, Satoshi Hayashi | 1988-02-09 |