Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10068585 | Echo canceller device | Eiji Misawa, Yasumasa Shibata, Hiroyuki Toyozumi, Kiyotsugu Arai, Katsuaki Satoh | 2018-09-04 |
| 8175516 | Communication terminal | Masatoshi Nakao, Kouji Hatano | 2012-05-08 |
| 5032620 | Propylene resin foamed particles and foamed mold article | Masakazu Arai, Hiroshi Endo, Toshihiro Gotoh, Masanori Tanaka, Masanori Saito +1 more | 1991-07-16 |
| 4908393 | Propylene resin foamed particles and foamed mold article | Masakazu Arai, Hiroshi Endo, Toshihiro Gotoh, Masanori Tanaka, Masanori Saito +1 more | 1990-03-13 |
| 4689351 | Process for producing foamed particles of propylene copolymer resin | Hiroshi Endo, Masahiro Tanaka, Takanori Suzuki | 1987-08-25 |
| 4626555 | Polypropylene foamed particles | Hiroshi Endo | 1986-12-02 |
| 4596833 | Polypropylene foamed particles | Hiroshi Endo | 1986-06-24 |
| 4291138 | Production of modified polypropylenes | Hideo Sato | 1981-09-22 |