Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385421 | Valve opening and closing timing control device | Takuya Enami, Seiichi Fujimoto | 2025-08-12 |
| D1070250 | Underpants | Eri Aoki | 2025-04-15 |
| D1064501 | Underpants | Eri Aoki | 2025-03-04 |
| 11708305 | Geopolymer molding production method and geopolymer molding production system | Kanae Kawauchi, Hirofumi Okabe, Chiaki Namiki, Tatsuaki Sato, Hideki Nakamura +2 more | 2023-07-25 |
| 11280275 | Internal combustion engine | Seiichi Fujimoto, Tomohiro Kozaki, Suguru Kamiya, Atsushi Hanaura, Tatsuki Okude +1 more | 2022-03-22 |
| 11181050 | Valve opening and closing timing control apparatus | Tomohiro Kozaki, Seiichi Fujimoto, Tatsuki Okude, Tomoaki Fukao | 2021-11-23 |
| 11156170 | Control device for internal combustion engine | Seiichi Fujimoto, Hirokazu Tanaka, Suguru Kamiya, Kohei Fujii | 2021-10-26 |
| 10619588 | Controller for internal combustion engine | Seiichi Fujimoto, Hirokazu Tanaka, Tomohiro Kozaki, Suguru Kamiya, Atsushi Hanaura | 2020-04-14 |
| 10578033 | Control unit for internal combustion engine | Satoshi Yabu | 2020-03-03 |
| 10337417 | Control unit for internal combustion engine | Satoshi Yabu | 2019-07-02 |
| 10196945 | Valve opening and closing timing control apparatus | — | 2019-02-05 |
| 10112125 | Treatment method for used ion exchange resin | Toshiaki SUGIMORI, Shinya Miyamoto, Seiichi Murayama, Takaaki Murata, Yumi Yaita | 2018-10-30 |
| 10032534 | Method for processing radioactive liquid waste | Hirofumi Okabe, Tatsuaki Sato, Tetsuo Motohashi, Toshiaki SUGIMORI, Rie Arai +1 more | 2018-07-24 |
| 10024245 | Control device for internal combustion engine and method of controlling internal combustion engine | Noboru Takagi, Yoshinobu Uchiyama | 2018-07-17 |
| 9874156 | Control device for internal combustion engine | Masaki Kobayashi, Seiichi Fujimoto | 2018-01-23 |
| 9546577 | Valve timing control apparatus | Satoshi Kokubo, Masahiro Yoshida, Yuuki Ohta | 2017-01-17 |
| 9322303 | Variable valve timing control unit | Masaki Kobayashi | 2016-04-26 |
| 8957692 | Method for performing burn-in test | Koji Shimazawa, Takashi Honda, Yoichi Mugino, Yoshito Nishioka, Tsuguki Noma | 2015-02-17 |
| 8950370 | Valve timing control apparatus | — | 2015-02-10 |
| 8384405 | Method for performing burn-in test | Koji Shimazawa, Ryo Hosoi, Yasuhiro Ito, Takashi Honda, Ryuji Fujii +1 more | 2013-02-26 |
| 8108813 | Structure for a circuit obtaining desired phase locked loop duty cycle without pre-scaler | David William Boerstler, Eskinder Hailu, Jieming Qi | 2012-01-31 |
| 8089319 | Wide range interpolative voltage controlled oscillator | — | 2012-01-03 |
| 8041537 | Clock duty cycle measurement with charge pump without using reference clock calibration | Jieming Qi, Eskinder Hailu, David William Boerstler | 2011-10-18 |
| 8032850 | Structure for an absolute duty cycle measurement circuit | David William Boerstler, Eskinder Hailu, Jieming Qi, Bin Wan | 2011-10-04 |
| 7994830 | Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction | David William Boerstler, Eskinder Hailu, Jieming Qi | 2011-08-09 |