Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8505882 | Diffuser apparatus, and diffuser apparatus running method | Takeshi Tsuji, Masanori Nagafuji, Kazutoshi Ohashi, Minoru Yamamoto | 2013-08-13 |
| 7029580 | Apparatus for concentrating sludge | Kiyoshi Suzuki, Kinichiro Kouno, Takashi Etou, Satoru Udagawa, Arimitsu Ishii | 2006-04-18 |
| 6099581 | Layout database for a computer aided design system | — | 2000-08-08 |
| RE34137 | Method of manufacturing aromatic urethane and intermediate product thereof | Takao Ikariya, Masanori Itagaki, Masatsugu Mizuguchi, Osamu Tajima | 1992-12-01 |
| 4699994 | Method of manufacturing diphenylmethane dicarbamic acid diesters | Takao Ikariya, Masanori Itagaki, Masatsugu Mizuguchi, Osamu Tajima | 1987-10-13 |
| 4678856 | Method of manufacturing aromatic urethane and intermediate product thereof | Takao Ikariya, Masanori Itagaki, Masatsugu Mizuguchi, Osamu Tajima | 1987-07-07 |