Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12121867 | Composite semipermeable membrane | Tomoya Yoshizaki, Masami Ogata, Harutoki Shimura, Takafumi Ogawa | 2024-10-22 |
| 11198100 | Composite semipermeable membrane and method for producing composite semipermeable membrane | Jun Okabe, Takafumi Ogawa, Koji Nakatsuji, Masahiro Kimura | 2021-12-14 |
| 11045771 | Composite semipermeable membrane and method for producing same | Jun Okabe, Koji Nakatsuji, Masaki Higashi | 2021-06-29 |
| 10099183 | Solvent-resistant separation membrane | Jun Okabe, Masahiro Kimura, Koji Nakatsuji, Ryoma Miyamoto | 2018-10-16 |
| 9724646 | Separation membrane element | Yoshiki Okamoto, Masakazu Koiwa, Hiroyuki Yamada, Kentaro Takagi, Hiroho Hirozawa +1 more | 2017-08-08 |
| 9616390 | Separation membrane, separation membrane element, and method for producing separation membrane | Hiroho Hirozawa, Masakazu Koiwa, Kentaro Takagi, Yoshiki Okamoto, Hiroyuki Yamada +2 more | 2017-04-11 |
| 8072294 | Filter having switch function and band pass filter | Hiroshi Tanpo | 2011-12-06 |
| 7187773 | System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound | Nozomi Kusao, Michiaki Ogino, Masaru Ando, Ryoichi Edo | 2007-03-06 |