Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246290 | Membrane filtration device and method for cleaning membrane filtration device | Shintaro Nishimoto, Keishi Watanabe, Tetsuya Uenaka, Fang Zhao | 2025-03-11 |
| 11986773 | Membrane defect inspection method and membrane defect inspection device | Keishi Watanabe, Shintaro Nishimoto, Tetsuya Uenaka, Fang Zhao | 2024-05-21 |
| 11890581 | Membrane defect inspection method and membrane defect inspection device | Keishi Watanabe, Shintaro Nishimoto, Tetsuya Uenaka, Fang Zhao | 2024-02-06 |
| 9895858 | Sheet processing apparatus, method for controlling sheet processing apparatus, and storage medium | — | 2018-02-20 |
| 8940933 | Method for producing polyoxyalkylene alkyl ether carboxylic acid and salt thereof | Takeshi Shirasawa, Yasuo Amishige, Kaoru Omae, Akira Sakaguchi | 2015-01-27 |
| 8663858 | Fuel cell system and method for operating the same | Yoshitaka Ono, Takahiro Fujii, Takashi Iimori, Ryoichi Shimoi, Kazuo Saito +1 more | 2014-03-04 |
| 8534662 | Image forming apparatus, control method therefor, and computer-readable medium | — | 2013-09-17 |
| 8304575 | Process for production of ether carboxylates | Kaoru Ohmae | 2012-11-06 |
| 8067123 | Fuel cell system and shutdown method of the same | Mitsunori Kumada, Ryoichi Shimoi, Hayato Chikugo, Takashi Fukuda, Kazuhiro Kageyama | 2011-11-29 |
| 7196213 | Process for producing phosphate | Satoru Kijima | 2007-03-27 |
| 6478947 | Treatment method of waste oil or waste edible oil | Kohji Nagasaku, Sungrak Jang | 2002-11-12 |
| 6407277 | Process for the preparation of phosphoric monoester | Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda | 2002-06-18 |
| 6034261 | Process for the preparation of phosphoric monoester | Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda | 2000-03-07 |
| 5545349 | Bleaching composition | Jun Kurii, Noboru Nomura, Masami Itoh, Kozo Ohira, Masaki Tsumadori +2 more | 1996-08-13 |
| 5071585 | Phosphoric acid ester, process for preparing the same, and detergent composition containing the same | Junya Wakatsuki, Nobutaka Horinishi, Takashi Imamura, Tomihiro Kurosaki | 1991-12-10 |
| 5043424 | Modification method for peptides and proteins by reacting with a phosphoric acid ester | Nobutaka Horinishi, Junya Wakatsuki, Takashi Imamura, Tomihiro Kurosaki | 1991-08-27 |
| 4985412 | Phosphoric acid ester, process for preparing the same, and detergent composition containing the same | Junya Wakatsuki, Nobutaka Horinishi, Takashi Imamura, Tomihiro Kurosaki | 1991-01-15 |
| 4845239 | Phosphoric esters and process for preparing the same | Junya Wakatsuki, Tohru Katoh, Tomihiro Kurosaki | 1989-07-04 |
| 4747137 | Speech scrambler | — | 1988-05-24 |
| 4430664 | Glass-moulded type semiconductor device | Keiichi Morita | 1984-02-07 |
| 4363678 | Explosives having powdered ferrite magnet as a tracer dispersed therethrough and a method for producing the same | Naozumi Nishimura, Yasuo Ishii | 1982-12-14 |