Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149513 | Method of preparing inorganic porous member | Shozo Hirao, Masaru Yokoyama, Takashi Kishimoto, Hiroshi Yokogawa, Atsushi Makino | 1992-09-22 |
| 5124101 | Method for manufacturing fine porous member | Shozo Hirao, Masaru Yokoyama, Takashi Kishimoto, Hiroshi Yokogawa | 1992-06-23 |