Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792812 | Method and apparatus for layered structure breaking strength estimation | Masakazu Otake | 2004-09-21 |
| 5476636 | Apparatus for performing weather resistance test | Takashi Tomiita, Teruo Iwanaga, Hitoshi Goto | 1995-12-19 |
| 5333494 | Material strength measuring apparatus | Itsuo Nishiyama | 1994-08-02 |
| 5249076 | Optical filter structure | Shigetoshi Fujiwara, Tadasu Inoue | 1993-09-28 |
| 4931655 | Apparatus for accelerated weather-testing of a sample using a metal halide lamp | Yasuo Yoshida, Tadashi Kakinuma, Tadashi Sakurai, Hirofumi Kinugasa | 1990-06-05 |
| 4668588 | Polycarbonate molded articles having excellent weather resistance and abrasion resistance and a process for the preparation thereof | — | 1987-05-26 |