Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077709 | Drive shaft and method for producing drive shaft | Mitsuru Kamikawa, Ko Sugai, Masafumi Yamamoto, Takafumi Murakami, Kazuya Kumei +2 more | 2021-08-03 |
| 10935428 | Spectrum measurement apparatus and spectrum measurement method | Yuji Matsuura | 2021-03-02 |
| 8527201 | Azimuth detecting device and azimuth detecting method | Akihiro Ueda, Iwao Maeda, Kiyomi Nagamiya | 2013-09-03 |
| 8453994 | Engagement chain type driving device | Tomoo Suko, Kohei Nakanishi, Tomoyuki Saji, Yoshifumi Takeuchi, Satoshi Ueda | 2013-06-04 |
| 8317943 | Ball for constant velocity joint and method for producing the same | Takafumi Murakami, Shunta Osako | 2012-11-27 |
| 8224573 | Azimuth detecting device and azimuth detecting method | Akihiro Ueda, Iwao Maeda, Kiyomi Nagamiya | 2012-07-17 |
| 8200452 | Attitude-angle detecting apparatus and attitude-angle detecting method | Akihiro Ueda, Iwao Maeda, Kiyomi Nagamiya | 2012-06-12 |
| 8035554 | Device for measuring a position of a mobile station | Yasuhiro Tajima, Naoto Hasegawa, Akihiro Ueda, Kiyomi Nagamiya, Mitsuru Nakamura | 2011-10-11 |
| 7819389 | Hoisting and lowering device having engagement chains | Yoshifumi Takeuchi, Toru Wada, Tomoyuki Saji | 2010-10-26 |
| 7695371 | Constant velocity joint | Tsutomu Kawakatsu, Masato Saika, Tomonori Aoyama | 2010-04-13 |
| 7641558 | Constant velocity joint | Tsutomu Kawakatsu, Takahiro Ogura, Shouichi Nakao, Tomonori Aoyama | 2010-01-05 |
| 7367047 | Portable information recording medium | Kazuyoshi Irisawa, Tetsuo Shinriki | 2008-04-29 |
| 7325144 | Portable information processor having password code checking function | Kazuyoshi Irisawa, Tetsuo Shinriki | 2008-01-29 |
| 7302572 | Portable information storage medium and its authentication method | Tetsuo Shinriki, Kazuyoshi Irisawa | 2007-11-27 |
| 5669264 | Apparatus for preventing urging rotation of a ball screw shaft for a linear working machine | Shunji Sakura, Koichi Saeda, Hiroto Sunaba | 1997-09-23 |