Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555886 | Device having two perovskite crystalline layers that shows hysteresis and piezoelectric behavior | Chaonan Xu, Tadahiko Watanabe, Yun Liu | 2003-04-29 |
| 6536476 | Flow rate-controlling method and microvalve therefor | Naohiro Ueno, Hiroyuki Nakamura | 2003-03-25 |
| 6280655 | High-luminosity stress-luminescent material | Chaonan Xu, Tadahiko Watanabe, Kazuhiro Nonaka | 2001-08-28 |
| 6240786 | Two-layer structure composite material for detecting cracks | Tadahiko Watanabe, Kazuhiro Nonaka | 2001-06-05 |
| 6159394 | Stress emission material and its manufacturing method | Chaonan Xu, Kazuhiro Nonaka, Tadahiko Watanabe | 2000-12-12 |
| 6117574 | Triboluminescent inorganic material and a method for preparation thereof | Tadahiko Watanabe, Chaonan Xu | 2000-09-12 |
| 5585313 | Ceramic composite material with high heat-resistant property | Kazuhisa Shobu, Tadahiko Watanabe, Eiji Tani | 1996-12-17 |