Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12105419 | Salt, quencher, resist composition and method for producing resist pattern | Yuki Takahashi, Koji Ichikawa | 2024-10-01 |
| 12060316 | Carboxylate, quencher, resist composition and method for producing resist pattern | Koji Ichikawa | 2024-08-13 |
| 11899363 | Salt, acid generator, resist composition and method for producing resist pattern | Koji Ichikawa | 2024-02-13 |
| 11840503 | Salt, acid generator, resist composition and method for producing resist pattern | Koji Ichikawa | 2023-12-12 |
| 11822241 | Salt, acid generator, resist composition and method for producing resist pattern | Takashi Nakakoji, Koji Ichikawa | 2023-11-21 |
| 11820736 | Salt, acid generator, resist composition and method for producing resist pattern | Koji Ichikawa | 2023-11-21 |
| 11782342 | Salt and photoresist composition containing the same | Yuki Takahashi, Koji Ichikawa | 2023-10-10 |
| 11550219 | Salt, quencher, resist composition and method for producing resist pattern, and method for producing salt | Yuki Takahashi, Koji Ichikawa | 2023-01-10 |
| 11548961 | Compound, resin, resist composition and method for producing resist pattern | Koji Ichikawa | 2023-01-10 |
| 11505524 | Salt, acid generator, resist composition and method for producing resist pattern | Jun Oguma, Koji Ichikawa | 2022-11-22 |
| 11474431 | Compound, resin, photoresist composition and process for producing photoresist pattern | Tatsuro Masuyama, Koji Ichikawa | 2022-10-18 |
| 11429025 | Salt, quencher, resist composition and method for producing resist pattern | Yuki Takahashi, Koji Ichikawa | 2022-08-30 |
| 11385542 | Salt, quencher, resist composition and method for producing resist pattern | Yuki Takahashi, Koji Ichikawa | 2022-07-12 |
| 10915022 | Photoresist composition and process for producing photoresist pattern | Shingo Fujita, Koji Ichikawa | 2021-02-09 |
| 8588975 | Robot safety monitor device, and robot safety monitor method | Toshio Aono | 2013-11-19 |
| 7399368 | Motor using magnet | Matahiro Komuro | 2008-07-15 |
| 7064642 | Motor using magnet | Matahiro Komuro | 2006-06-20 |
| 6793468 | Turbo-charger for internal-combustion engine | Kazuo Ojima, Noboru Baba, Toshikatsu Akiyama, Tetsuo Udagawa | 2004-09-21 |
| 6437275 | Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof | Shigeru Kikuchi, Masato Kobayashi, Toru Tanimizu, Yoshimi Hakamata, Kathumi Kuroda +2 more | 2002-08-20 |
| 6248969 | Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor | Yoshitaka Kojima, Noboru Baba, Ryo Hiraga, Toru Tanimizu, Yoshimi Hakamata +3 more | 2001-06-19 |
| 6048216 | Vacuum circuit breaker as well as vacuum valve and electric contact used in same | Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more | 2000-04-11 |
| 5852266 | Vacuum circuit breaker as well as vacuum valve and electric contact used in same | Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more | 1998-12-22 |
| 5763848 | Electrode for vacuum circuit breaker | Yoshimi Hakamata, Toru Tanimizu, Masato Kobayashi, Hitoshi Okabe, Akira Wada | 1998-06-09 |
| 5697150 | Method forming an electric contact in a vacuum circuit breaker | Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more | 1997-12-16 |
| 5691521 | Vacuum circuit breaker with improved contact assembly | Yoshitaka Kojima, Yukio Kurosawa, Shunkichi Endoo, Tooru Tanimizu, Yoshimi Hakamata +1 more | 1997-11-25 |