Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946925 | Dynamic damper | Tsutomu Kawakatsu, Susumu Suzuki, Takao Kurihara | 2011-05-24 |
| 7716837 | Constant velocity joint and method of manufacturing the same | Tsutomu Kawakatsu, Masanori Kosugi | 2010-05-18 |
| 7641558 | Constant velocity joint | Tsutomu Kawakatsu, Takahiro Ogura, Naoto Shibata, Tomonori Aoyama | 2010-01-05 |
| 7632190 | Constant velocity joint | Kazuki Ido, Akira Yokoyama | 2009-12-15 |
| 7597627 | Constant velocity joint and method of manufacturing the same | Tsutomu Kawakatsu, Masanori Kosugi | 2009-10-06 |
| 6752721 | Constant velocity universal joint | Tsutomu Kawakatsu, Satoru Kudo | 2004-06-22 |
| 6682434 | Constant velocity universal joint | Tsutomu Kawakatsu, Satoru Kudo | 2004-01-27 |
| 6497621 | Constant velocity universal joint and method for assembling the same | Satoru Kudo, Tsutomu Kawakatsu | 2002-12-24 |
| 6454655 | Constant velocity universal joint and method for assembling the same | Satoru Kudo, Tsutomu Kawakatsu | 2002-09-24 |
| 5836822 | Constant velocity universal joint | Satoru Kudo, Takeshi Kayano, Tsutomu Kawakatsu, Atsushi Nagaoka | 1998-11-17 |
| 5791995 | Constant velocity universal joint | Satoru Kudo, Atsushi Nagaoka, Tsutomu Kawakatsu, Takeshi Kayano | 1998-08-11 |
| 4674619 | Passenger conveyor | Hayashi Nakazawa, Cyuichi Saito, Makoto Kawagoshi | 1987-06-23 |