Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10744462 | Separation membrane module | Kenji Hayashida, Hiroshi Matsumoto | 2020-08-18 |
| 7615105 | Separation membrane | Yoshifumi Odaka, Ichiro Kumo | 2009-11-10 |
| 7223339 | Hollow-fiber membrane module | Hiroshi Ohtani, Ichirou Kumo | 2007-05-29 |
| 5754259 | Optical filter for visual display terminals | Hiroshi Matsumoto | 1998-05-19 |