Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090610 | Hollow fiber membrane module | Atsushi Kobayashi, Naoki Nakashima, Masayuki Hanakawa | 2021-08-17 |
| 10744462 | Separation membrane module | Hiroshi Matsumoto, Osamu Nakamatsu | 2020-08-18 |
| 10183254 | Separation membrane element | Hiroho Hirozawa, Hiroshi Ogawa, Masanori Endo, Masashi Ito | 2019-01-22 |
| 4543459 | Small-sized switch | — | 1985-09-24 |
| 4511770 | Rotary switch | — | 1985-04-16 |
| 4488018 | Miniature switch | — | 1984-12-11 |