Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8094693 | Laser control method and laser control circuit | Koji Ishiwata, Cheonseok Park | 2012-01-10 |
| 7909917 | Porous structure with seed crystal-containing layer for manufacturing zeolite membrane, zeolite membrane, and method for manufacturing zeolite membrane | Hisayoshi Nonaka, Kenji Yajima | 2011-03-22 |
| 7819944 | Method of dehydration, dehydrating apparatus, and membrane reactor | Kenji Yajima, Makiko Niino, Toshihiro Tomita | 2010-10-26 |
| 7510598 | Gas separating body and method for producing same | Kenji Suzuki, Kenji Yajima, Toshihiro Tomita | 2009-03-31 |
| 7031358 | Semiconductor laser driving apparatus | — | 2006-04-18 |
| 7014680 | Method for preparing DDR type zeolite membrane, DDR type zeolite membrane, and composite DDR type zeolite membrane, and method for preparation thereof | Kenji Suzuki, Manabu Yoshida, Kenji Yajima, Toshihiro Tomita | 2006-03-21 |
| 6953493 | Method for preparing DDR type zeolite membrane, DDR type zeolite membrane, and composite DDR type zeolite membrane, and method for preparation thereof | Kenji Suzuki, Manabu Yoshida, Kenji Yajima, Toshihiro Tomita | 2005-10-11 |
| 6667265 | Zeolite composite film and process for producing the same | Toshihiro Tomita | 2003-12-23 |
| 5274618 | Test apparatus for an optical recording disc | Fumiaki Henmi, Tomio Ohashi | 1993-12-28 |