Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693708 | Colored stretched polyethylene material and process for producing the same | Yoshimu Iwanami, Seizo Kobayashi, Osamu Otsu | 1997-12-02 |
| 5578373 | Split polyethylene stretched material and process for producing the same | Seizo Kobayashi, Yoshimu Iwanami, Osamu Otsu, Shigeki Yokoyama, Kazuhiko Kurihara +1 more | 1996-11-26 |
| 5445883 | Laminate | Seizo Kobayashi, Yoshimu Iwanami, Shigeki Yokoyama, Keizi Jimbo | 1995-08-29 |
| 5200129 | Process for continuous production of polyolefin material | Seizo Kobayashi, Yoshimu Iwanami | 1993-04-06 |
| 5106558 | Method for continuous preparation of polyethylene material having high strength and high modulus of elasticity | Keizo Kobayashi, Yoshimu Iwanami, Shigeki Yokoyama, Keiji Jimbo, Kazuhiko Kurihara +2 more | 1992-04-21 |
| 5106555 | Process for the continuous production of high-strength and high-modulus polyethylene material | Seizo Kobayashi, Yoshimu Iwanami, Shigeki Yokoyama, Kazuhiko Kurihara, Hiroshi Yazawa +1 more | 1992-04-21 |
| 5091133 | Continuous production process of high-strength and high-modulus polyolefin material | Seizo Kobayashi, Yoshimu Iwanami | 1992-02-25 |
| 4895903 | Thermoplastic elastomer compositions | Seizo Kobayashi, Katumi Usui | 1990-01-23 |
| 4822855 | Thermoplastic elastomer compositions | Seizo Kobayashi, Katumi Usui, Noboru Yamaoka, Kazuo Matsuura | 1989-04-18 |
| 4775722 | Thermoplastic elastomer compositions | Seizo Kobayashi, Katumi Usui, Noboru Yamaoka, Kazuo Matsuura | 1988-10-04 |
| 4732940 | Crosslinked resin compositions | Noboru Yamaoka, Kiyoyasu Tanabe, Katumi Usui, Kazuo Matsuura | 1988-03-22 |
| 4722973 | Thermoplastic elastomer composition | Noboru Yamaoka, Kiyoyasu Tanabe, Katumi Usui, Kazuo Matsuura | 1988-02-02 |