Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852718 | Equipment life diagnostic device | Munetoshi Unuma | 2020-12-01 |
| 10697854 | Rolling bearing fatigue state prediction device and rolling bearing fatigue state predicting method | Tomoaki Yamashita, Makoto Henmi | 2020-06-30 |
| 9680341 | Rotating electric machine including rotor core with slots having protrusions | Satoshi Kikuchi, Yutaka Matsunobu | 2017-06-13 |
| 9423329 | Testing apparatus | Shohei Watanabe, Tadaoki Takii | 2016-08-23 |
| 7961844 | Rotating irradiation therapy apparatus | Shigeji Kaneko, Tsutomu Yamashita, Hiroshi Saga | 2011-06-14 |
| 7381979 | Rotating irradiation apparatus | Tsutomu Yamashita, Shigeji Kaneko, Hiroshi Saga | 2008-06-03 |
| 6769917 | Method for indicating defective part in educational material and apparatus for indicating defective part in educational material | Akio Fujino, Hiroshi Kuzumaki, Shunichi Kamikawa, Hitoshi Ozawa | 2004-08-03 |
| 6755662 | Method for presenting most suitable question and apparatus for presenting most suitable question | Akio Fujino, Hiroshi Kuzumaki, Shunichi Kamikawa, Hitoshi Ozawa | 2004-06-29 |
| 6673146 | Method of manufacturing a magnet-free faraday rotator | Kazushi Shirai | 2004-01-06 |
| 6411641 | Faraday rotator for use with high energy lasers | Kazushi Shirai | 2002-06-25 |
| 6295150 | Wavelength division multiplexing device | Hisashi Ohwada, Toshihiko Takano, Kuniaki Jinnai | 2001-09-25 |
| 6059878 | Method of manufacturing a bismuth-substituted rare-earth iron garnet single crystal film | Kiyonari Hiramatsu, Kenji Ishikura | 2000-05-09 |
| 6030449 | Garnet single crystal for substrate of magneto-optic element and method of manufacturing thereof | Tsuguo Fukuda | 2000-02-29 |
| 6031654 | Low magnet-saturation bismuth-substituted rare-earth iron garnet single crystal film | Kiyonari Hiramatsu, Kazushi Shirai | 2000-02-29 |
| 5925474 | Bismuth-substituted rare earth iron garnet single crystal film | Kazushi Shirai | 1999-07-20 |
| 5920420 | Faraday rotator with antireflection film | Kenji Ishikura, Kiyonari Hiramatsu, Kazushi Shirai | 1999-07-06 |
| 5898516 | Faraday rotator having a rectangular shaped hysteresis | Kazushi Shirai, Kiyonari Hiramatsu | 1999-04-27 |
| 5866092 | Garnet single crystal for substrate of magneto-optic element and method of manufacturing thereof | Tsuguo Fukuda | 1999-02-02 |
| 5838853 | Optical waveguide | Kuniaki Jinnai, Yasunari Kawabata | 1998-11-17 |
| 5683506 | Method of manufacturing a bismuth-substituted rare earth iron garnet single crystal film for short wavelength | Kazushi Shirai | 1997-11-04 |
| 5565131 | Bismuth-substituted rare earth iron garnet single crystal | Kazushi Shirai, Kenji Ishikura | 1996-10-15 |
| 5535046 | Faraday rotator | Kazushi Shirai | 1996-07-09 |
| 5512193 | Low saturated magnetic field bismuth-substituted rare earth iron garnet single crystal and its use | Kazushi Shirai, Kenji Ishikura | 1996-04-30 |
| 5493222 | Reflection type magnetooptic sensor head with faraday rotator | Kazushi Shirai, Toshihiro Shinbo, Mitsuzo Arii | 1996-02-20 |
| 5463316 | Magnetooptic sensor head | Kazushi Shirai, Toshihiro Shinbo, Mitsuzo Arii | 1995-10-31 |