Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917469 | Light diffusing laminated plate | Kimio Itou, Mitsuhiro Akiyama, Takashi Hanne | 2005-07-12 |
| 6492015 | Composite sheet having foamed polycarbonate resin layer and non-foamed polycarbonate resin layer | Takeshi Aoki, Yoshihisa Ishihara, Satoshi Iwasaki, Seiji Takahashi | 2002-12-10 |
| 5122322 | Method of producing composite thermoplastic resin film | — | 1992-06-16 |
| 5068136 | Five-layered container | Yozo Yoshida, Tetuji Saitou | 1991-11-26 |
| 5019439 | Thermoplastic resin film matrix with continuous tapes | — | 1991-05-28 |
| 4994313 | Parison and blow-molded container and processes for production thereof | Senzo Shimizu, Yozo Yoshida, Takao Ohta | 1991-02-19 |
| 4908272 | Gas-barrier multilayered structure | Masahiro Harada, Makoto Matsumura, Toru Kino, Akira Iwamoto | 1990-03-13 |
| 4868026 | Multilayered container and process for production thereof | Senzo Shimizu, Yozo Yoshida | 1989-09-19 |
| 4816308 | Multilayered container | Senzo Shimizu, Yozo Yoshida | 1989-03-28 |
| 4728549 | Multilayered container | Senzo Shimizu, Mitsuyasu Nagano, Tsutomu Ishizeki | 1988-03-01 |
| 4451417 | Method of producing extruded plate-like polystyrene foam | Hiroyuki Akiyama, Hidewo Hatakeyama, Nobuyoshi Shimoyashiki, Fusao Imai | 1984-05-29 |
| 4393016 | Process for producing plate-like polystyrene resin foam | Hiroyuki Akiyama, Hideo Hatakeyama, Nobuyoshi Shimoyashiki, Fusao Imai | 1983-07-12 |