Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173777 | Linear motion actuator | Reona Umei, Yasumi Watanabe | 2024-12-24 |
| 11680628 | Ball screw device | Kazuya Yamada, Kanta SATO, Yasuaki Abe | 2023-06-20 |
| 11662003 | Ball screw device | Kazuya Yamada, Yasuaki Abe, Kanta SATO | 2023-05-30 |
| 10359102 | Friction roller-type reduction gear | Hiroshi Kawahara, Hiroyasu Yoshioka, Tetsu Takehara | 2019-07-23 |
| 10214671 | Refrigerator oil and working fluid composition for refrigerator | Katsuya Takigawa | 2019-02-26 |
| 9321948 | Refrigerator oil and working fluid composition for refrigerator | Katsuya Takigawa | 2016-04-26 |
| 9090806 | Refrigerant oil for freezers and operating fluid composition for freezers | Katsuya Takigawa, Masanori Saito, Ken Sawada, Takeshi Okido | 2015-07-28 |
| 8876654 | Toroidal continuously variable transmission | Hiroki Nishii, Toshihiko Sato, Eiji Inoue, Toshiro Toyoda, Hiroyasu Yoshioka +1 more | 2014-11-04 |
| 8796193 | Refrigerating machine oil compositions | Kazuo Tagawa, Toshiyuki Obata, Katsuya Takigawa | 2014-08-05 |
| 8318040 | Refrigerator oil and working fluid composition for refrigerating machine | Ken Sawada, Katsuya Takigawa | 2012-11-27 |
| 8299006 | Compressor oil composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-10-30 |
| 8247360 | Heat treating oil composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-21 |
| 8236740 | Lubricating oil composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-08-07 |
| 8232233 | Lubricating oil composition for machine tools | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-31 |
| 8227388 | Hydraulic oil composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-24 |
| 8227387 | Metalworking oil composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-07-24 |
| 8206260 | Toroidal continuously variable transmission unit | — | 2012-06-26 |
| 8193129 | Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Toshio Yoshida, Shinichi Mitsumoto +8 more | 2012-06-05 |
| 7993543 | Refrigerating machine oil for carbon dioxide refrigerant | Kazuo Tagawa, Ken Sawada, Katsuya Takigawa, Jiro Hashimoto, Masataka Negishi | 2011-08-09 |
| 7390128 | Rolling sliding member, process for the production thereof and rolling sliding unit | Tomoyuki Aizawa, Dai Kinno | 2008-06-24 |
| 7370741 | Engine start roller clutch-housed type rotation transmission device | Daisuke Fujimori | 2008-05-13 |
| 7273437 | Toroidal-type continuously variable transmission | Takashi Imanishi | 2007-09-25 |
| 7045490 | Refrigerating machine oil composition | Katsuya Takigawa | 2006-05-16 |
| 6831045 | Refrigerating machine oil composition | Katsuya Takigawa | 2004-12-14 |
| 6692155 | Rolling sliding member, process for the production thereof and rolling sliding unit | Tomoyuki Aizawa, Dai Kinno | 2004-02-17 |