Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698080 | Sealing system | Shigeru Yoshikawa | 2023-07-11 |
| 11441571 | Sealing system | Shigeru Yoshikawa | 2022-09-13 |
| 10435558 | Block copolymer and resin composition | Minoru Yada, Yuu Takata, Shunji Sekiguchi, Kazutaka Nakagawa | 2019-10-08 |
| 8722576 | Thermosensitive recording label | Hiroshi Kohama, Akihito Ogino, Yasuaki Matsumori | 2014-05-13 |
| 8197688 | Hollow fiber membrane module | Daichi Sakashita, Yoshihide Kaiya, Masazumi Oba, Kenichi Futami, Lianggang Chen +1 more | 2012-06-12 |
| 7391976 | Optical acoustoelectric transducer | Okihiro Kobayashi, Nobuhiro Miyahara, Yutaka Hattori, Hiroshi Miyazawa | 2008-06-24 |
| 7311174 | Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker | Takaharu Ichiryu | 2007-12-25 |
| 6863153 | Loudspeaker diaphragm | Masaya Kasai | 2005-03-08 |
| 6374635 | PFC gas recovery process and apparatus | Tetsuo Komai, Yoichi Mori | 2002-04-23 |
| 5818950 | Speaker system and its support legs | Yoshio Sakamoto, Syuuhei Ohta, Shirou Iwakura | 1998-10-06 |
| 5582017 | Cryopump | Nobuharu Noji, Motoyasu Sato, Hiroshi Aono, Tetsuo Komai | 1996-12-10 |
| 5197103 | Low sound loudspeaker system | — | 1993-03-23 |
| D327083 | Combined tripod leg and leg locks | — | 1992-06-16 |
| 4940203 | Leg pad and spike for tripod | — | 1990-07-10 |
| 4932622 | Locking device for tripod leg sections | — | 1990-06-12 |