Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344702 | Polyurethane for polishing layer, polishing layer, and polishing pad | Kiyofumi Kadowaki, Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2025-07-01 |
| 12252634 | Polyurethane for polishing layers, polishing layer and polishing pad | Chihiro Okamoto, Shinya Kato | 2025-03-18 |
| 12186855 | Polishing pad, method for manufacturing polishing pad, and polishing method | Hirofumi Kikuchi, Chihiro Okamoto, Shinya Kato | 2025-01-07 |
| 12109665 | Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad | Azusa OSHITA, Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2024-10-08 |
| 11975946 | Elevator rope monitoring device and elevator rope monitoring method | Yusuke Watabe, Makoto Niwakawa, Ryuji Onoda, Hirotomo Tanaka, Takashi Takeuchi | 2024-05-07 |
| 11787894 | Polyurethane for polishing layer, polishing layer including polyurethane and modification method of the polishing layer, polishing pad, and polishing method | Azusa OSHITA, Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2023-10-17 |
| 11505431 | Cleaning device for an elevator system | Hirotomo Tanaka | 2022-11-22 |
| 11465879 | Elevator rope maintenance method | Hirotomo Tanaka, Takashi Takeuchi, Ryuji Onoda, Yusuke Watabe, Yoshiki Nota +1 more | 2022-10-11 |
| 11454836 | Laser processing apparatus and laser processing method | Kazuya Matsumoto, Kazuo Watanabe, Atsushi Sakamoto, Masanori Sato, Masaru Kikuchi | 2022-09-27 |
| 11154960 | Polishing pad and polishing method using same | Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2021-10-26 |
| 11053339 | Polyurethane for polishing layer, polishing layer including polyurethane and modification method of the polishing layer, polishing pad, and polishing method | Azusa OSHITA, Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2021-07-06 |
| 10994968 | Elevator rope elongation measuring device | Hideki Miyazawa, Yoshiki Nota, Yusuke Watabe | 2021-05-04 |
| 10741049 | Elevator motion alert system | Hideki Miyazawa, Jiro Murata | 2020-08-11 |
| 10730721 | Rope cleaning device | Hirotomo Tanaka | 2020-08-04 |
| 10684120 | Wire rope measuring device and wire rope measuring method | Yoshiki Nota, Yusuke Watabe, Ryuji Onoda, Hirotomo Tanaka, Takashi Takeuchi | 2020-06-16 |
| 10625391 | Non-porous molded article for polishing layer, polishing pad, and polishing method | Kiyofumi Kadowaki, Shinya Kato, Chihiro Okamoto, Minori TAKEGOSHI | 2020-04-21 |
| 10328548 | Polishing-layer molded body, and polishing pad | Kiyofumi Kadowaki, Shinya Kato, Chihiro Okamoto, Minori TAKEGOSHI | 2019-06-25 |
| 9536752 | Slurry for chemical mechanical polishing and polishing method for substrate using same | Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2017-01-03 |
| 9437446 | Slurry for chemical mechanical polishing and chemical mechanical polishing method | Chihiro Okamoto, Shinya Kato | 2016-09-06 |
| 8647179 | Polishing pad, and method for manufacturing polishing pad | Kimio Nakayama, Nobuo Takaoka, Hirofumi Kikuchi, Jiro Tanaka | 2014-02-11 |
| 8308527 | Metal film polishing pad and method for polishing metal film using the same | Hirofumi Kikuchi, Chihiro Okamoto, Shinya Kato | 2012-11-13 |
| 8211543 | Cushion for polishing pad and polishing pad using the cushion | Hirofumi Kikuchi, Shinya Kato | 2012-07-03 |
| 7977846 | Rotor for vehicular alternating current generator | Hiroshi Ishida, Craig McKeehan | 2011-07-12 |
| 7951452 | Suede artificial leather and production method thereof | Kimio Nakayama, Tsuyoshi Yamasaki, Nobuo Takaoka, Shuhei Yorimitsu | 2011-05-31 |
| D623700 | Portable game device with a liquid crystal display | Kazue Murase, Hiromi Kimura | 2010-09-14 |