Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038469 | Method of making a porous roll assembly | Masao Masuda, Masanobu Masuda | 1991-08-13 |
| 4769924 | Liquid absorbing apparatus | Shigeki Iwamoto, Minoru Tanaka, Tatsuo Kimura, Masao Masuda | 1988-09-13 |