Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186778 | Cylindrical member removal and transfer method | Yukitaka Okafuji | 1993-02-16 |
| 4800214 | Open cell body made of hard vinyl chloride resin | Takeshi Watanabe, Kazuo Suzuki | 1989-01-24 |
| 4797426 | Hard polyvinyl chloride resin composition and open-cell foam made of said composition | Takeshi Watanabe, Kazuo Suzuki | 1989-01-10 |
| 4709783 | Apparatus for installing escape device for slowly lowering a body | Hisatsugu Tomioka, Yoshiki MIYATA | 1987-12-01 |
| 4425442 | Process for producing open cell foam and foamable compound | Akira Sato | 1984-01-10 |
| 4381962 | Method for producing an open cell foam from a polyvinyl chloride resin produced by suspension polymerization | Akira Sato | 1983-05-03 |