Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052718 | Cylindrical workpiece cutting apparatus | Akinori Higuchi, Akihiro Nemoto, Kazushige Nakatsuka, Seiichi Sasaki | 2018-08-21 |
| 9266208 | Metal ring manufacture method and metal ring manufacture device | Kazushige Nakatsuka, Akihiro Nemoto, Akinori Higuchi, Seiichi Sasaki, Nobuyuki Kouda +2 more | 2016-02-23 |
| 8487207 | Apparatus and method for cutting hollow cylindrical workpiece | Daisuke Koshino, Akihiro Nemoto | 2013-07-16 |
| 8258429 | Laser working apparatus, and laser working method | Takashi Kobayashi, Hiroaki Yamagishi, Akihiro Nemoto | 2012-09-04 |
| 8173932 | Perforation method and perforation apparatus | Takashi Kobayashi, Akihiro Nemoto, Hiroaki Yamagishi | 2012-05-08 |
| 7720565 | Ring management system | Kazutoshi Takada, Takaji Mukumoto, Hideshi Sato, Osamu Takenaka, Tetsuo Sugizono +3 more | 2010-05-18 |
| 7698018 | Ring management system | Kazutoshi Takada, Takaji Mukumoto, Hideshi Sato, Osamu Takenaka, Tetsuo Sugizono +3 more | 2010-04-13 |
| 7413496 | Method and device for polishing endless belt metal rings for continuously variable transmission | Takeshi Yoshimura, Yoshiyuki Minowa, Tsutomu Maruyama, Seiichi Minegishi, Yasuo Watanabe +4 more | 2008-08-19 |
| 7251545 | Ring management system | Kazutoshi Takada, Takaji Mukumoto, Hideshi Sato, Osamu Takenaka, Tetsuo Sugizono +3 more | 2007-07-31 |
| 7168279 | Method of manufacturing metal ring for endless metal belt | Hitoshi Imai, Masanobu Ishikawa, Hiroshi Takeda, Tomomi KoSaka | 2007-01-30 |
| 6854310 | Device for correcting circumferential length of metal ring | Yuji Narusaki, Tomotsugu Takahashi, Takehisa Kimura, Masao Nitta, Yoshiharu Watabe | 2005-02-15 |
| 6843090 | Rolling device for ring | Hideshi Sato, Yoriyuki Watanabe | 2005-01-18 |
| 6684473 | Method of and apparatus for manufacturing belt for continuously variable transmission | Hiroaki Yamagishi, Tetsuo Suzuki | 2004-02-03 |
| 6663724 | Molten salt composition for use in manufacturing laminated rings | Hitoshi Imai | 2003-12-16 |
| 6631542 | Method of manufacturing laminated ring and heat treatment apparatus for use in such method | Hitoshi Imai, Hitoshi Karasawa | 2003-10-14 |
| 6550122 | Method of manufacturing laminated ring | Hitoshi Imai, Hitoshi Karasawa | 2003-04-22 |
| 6379473 | Method of manufacturing laminated ring using molten salt composition | Hitoshi Imai | 2002-04-30 |