Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420533 | Polyethylene-based resin multilayer foam sheet and method for producing same | Mikidai Fujita, Naoya Katsuyama | 2025-09-23 |
| 11633942 | Process for producing laminated foam sheet and extruded laminated foam sheet | Ryuichi Taniguchi, Takashi Ori | 2023-04-25 |
| 11273621 | Laminated foam sheet | Ryuichi Taniguchi | 2022-03-15 |
| 11161328 | Process for producing laminated foam sheet and extruded laminated foam sheet | Ryuichi Taniguchi, Takashi Ori | 2021-11-02 |
| 9701098 | Polyethylene-based resin foam sheet | Kazuhiko Morita, Ryuichi Taniguchi | 2017-07-11 |
| 9592642 | Method for producing multi-layer polyethylene resin foam sheet | Kazuhiko Morita, Ryuichi Taniguchi | 2017-03-14 |
| 6986941 | Multiple layers laminated polyolefin foam | Kazuhiko Morita, Takashi Muroi | 2006-01-17 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method | Yoshihisa Ishihara, Takeshi Aoki, Satoshi Iwasaki | 2003-04-08 |