Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156537 | Hardness tester | Naoki Izumi | 2021-10-26 |
| 11073456 | Hardness tester | — | 2021-07-27 |
| D848867 | Display device for hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai +1 more | 2019-05-21 |
| D848882 | Hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai | 2019-05-21 |
| D848883 | Hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai | 2019-05-21 |
| D847676 | Hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai | 2019-05-07 |
| D847674 | Hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai | 2019-05-07 |
| D847675 | Hardness tester | Sadayuki Matsumiya, Yoshiro Asano, Fumihiko Koshimizu, Shigeru Ohtani, Yu Sugai | 2019-05-07 |
| 9390324 | Image processing device and method of image processing | Kozo Ariga | 2016-07-12 |
| 9207156 | Hardness tester | Kozo Ariga | 2015-12-08 |
| 8887558 | Hardness tester and testing method | — | 2014-11-18 |
| 8117892 | Hardness testing instrument and calibration method thereof | Masato Suzuki | 2012-02-21 |
| 8087282 | Test management method for indentation tester and indentation tester | Takeshi Sawa, Kenji Okabe | 2012-01-03 |
| 7591068 | Board positioning method | Shigeo Masaki, Yoshihiro Mimura, Noriyuki Tani | 2009-09-22 |
| 6725708 | Impression forming mechanism and method, and hardness testing apparatus and method | Mituru Oda, Tomoharu Yamada | 2004-04-27 |
| 6484570 | Impression forming mechanism and hardness testing apparatus | Takeaki Iida, Yuichi Minami, Mitsuru Oda | 2002-11-26 |
| 6336359 | Impression forming mechanism and hardness testing apparatus | Takeaki Iida, Yuichi Minami, Mitsuru Oda | 2002-01-08 |
| 5991313 | Video transmission apparatus | Hiroshi Tanaka, Fumito Shimamura, Ryoichi Honma, Kazuma Sato | 1999-11-23 |
| 5629740 | Video transmitter for effecting after-recording | Hiroshi Tanaka, Toru Kawanobe | 1997-05-13 |