Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370496 | Hollow fiber membrane module and manufacturing method therefor | — | 2025-07-29 |
| 10099181 | Hollow fiber membrane module | — | 2018-10-16 |
| 8257590 | Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module assembly and method of purifying suspended water with use thereof | Yuzuru Ishibashi | 2012-09-04 |
| 7456106 | Method for producing a silicon wafer | Sakae Koyata, Kazushige Takaishi, Kazuo Fujimaki | 2008-11-25 |
| 7226864 | Method for producing a silicon wafer | Sakae Koyata, Kazushige Takaishi, Kazuo Fujimaki, Akihiro Kudo, Masashi Norimoto | 2007-06-05 |
| 7160455 | Hollow fiber membrane module | Yuzuru Ishibashi | 2007-01-09 |
| D507035 | Liquid filter cap | Yuzuru Ishibashi | 2005-07-05 |
| 6495041 | Method for purifying aqueous suspension | Nobuhiko Suga, Takehiko Otoyo | 2002-12-17 |
| 6331248 | Hollow fiber membrane module | Nobuhiko Suga | 2001-12-18 |
| 6322703 | Method for purifying aqueous suspension | Nobuhiko Suga, Takehiko Otoyo | 2001-11-27 |