Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371357 | Water treatment method and water treatment apparatus | Soichiro Yatsugi, Sho Sugiyama, Shinya Nagae | 2025-07-29 |
| 8366929 | Spacing member, membrane element, and submerged membrane separation device | Hidetoshi Masutani, Yasunobu Okajima, Tadao Shinkai | 2013-02-05 |
| D652481 | Water collecting case for membrane module | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka +2 more | 2012-01-17 |
| D652480 | Membrane module for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka +2 more | 2012-01-17 |
| D652103 | Membrane cassette for membrane separation | Yasunobu Okajima, Tomokazu Kitano, Tadao Shinkai, Hidetoshi Masutani, Tetsuya Uenaka +2 more | 2012-01-10 |
| 7863385 | Vinyl-cis-polybutadiene rubber and butadiene rubber composition using the same | Yasuyoshi Okabe | 2011-01-04 |
| 7700691 | Vinyl-cis-polybutadiene rubber and butadiene rubber composition using the same | Yasuyoshi Okabe | 2010-04-20 |
| 5981667 | Impact-resistant polystyrene resin composition | Takashi Wada, Keiichi Akahori, Nobuhiro Tsujimoto, Michinori Suzuki | 1999-11-09 |
| 4978430 | Method for dehydration and concentration of aqueous solution containing organic compound | Kanji Nakagawa, Shigeru Yamamoto, Kohei Ninomiya, Masayuki Kinouchi | 1990-12-18 |