Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769550 | Stress analysis method and stress analysis apparatus | Koji Hyodo | 2010-08-03 |
| 7509872 | Stress and strain analysis method and its equipment | Koji Hyodo, Takashi Yamane, Motoyuki Akamatsu, Yoshiyuki Yokogawa, Tetsuya Kameyama | 2009-03-31 |
| 7408297 | Light-emitting device, display device, and stress sensor | Hiroshi Tateyama | 2008-08-05 |
| 7297295 | Highly bright mechanoluminescence material and process for producing the same | Morito Akiyama, Wensheng Shi | 2007-11-20 |
| 7258817 | Mechanoluminescence material and process for producing the same | Morito Akiyama, Kazuhiro Nonaka | 2007-08-21 |
| 7060371 | Mechanoluminescence material, producing method thereof, and usage thereof | Morito Akiyama, Kazuhiro Nonaka | 2006-06-13 |
| 6628375 | Method of and a system for measuring a stress or a stress distribution, using a stress luminescent material | Morito Akiyama, Kazuhiro Nonaka, Tadahiko Watanabe | 2003-09-30 |