Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12145903 | Method for producing 2,4-dialkylbenzaldehyde | Toru Shishimi, Tatsuya UTAMURA, Yutaka Matsuura | 2024-11-19 |
| 12116338 | Aldehyde compound and method for producing same, and fragrance composition | Toru Shishimi, Yutaka Matsuura | 2024-10-15 |
| 11981120 | Image-forming apparatus | — | 2024-05-14 |
| 11752780 | Image-forming apparatus having heater upstream of image former | — | 2023-09-12 |
| 11225453 | Method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate | Shiori Shinagawa, Mitsuharu Kitamura, Ken SUGITO | 2022-01-18 |
| 10207967 | Method and apparatus for separating alkyl aromatic hydrocarbon | Junya Nishiuchi, Yoshitaka Tanaka, Mitsuharu Kitamura, Hiroaki Oka | 2019-02-19 |
| 9896397 | Method and apparatus for separating alkyl aromatic hydrocarbon | Junya Nishiuchi, Yoshitaka Tanaka, Mitsuharu Kitamura, Hiroaki Oka | 2018-02-20 |
| 9250596 | Image forming apparatus | — | 2016-02-02 |
| 9056510 | Image forming apparatus | Shinji Morita | 2015-06-16 |
| 9024070 | Method for producing xylylenediamine | Tatsuyuki Kumano, Yukiya IBI, Kuniaki Arasuna | 2015-05-05 |
| 8759588 | Process for producing xylylenediamine | Tatsuyuki Kumano, Kenji Nakaya, Ryusuke Shigematsu, Kinji Kato | 2014-06-24 |
| 8730292 | Scanning optical device that scans photoreceptor with laser light and image forming apparatus | Ryo Hasegawa, Shinji Morita, Yuji Okugawa | 2014-05-20 |
| 8359413 | Data stream buffer control using reference time and decoding time | Takahiro Hosoi, Nobutoshi Shida | 2013-01-22 |
| 8301065 | Image forming apparatus with secondary transfer section having rubber backup roller | — | 2012-10-30 |
| 8212080 | Production method of xylylenediamine | Tatsuyuki Kumano, Kenji Nakaya | 2012-07-03 |
| 8124825 | Method of purifying 2,7-dimethylnaphthalene | Hiroshi Ogawa | 2012-02-28 |
| 7576253 | Method of separating dimethylnaphthalene isomers | Hiroshi Ogawa | 2009-08-18 |
| 7547803 | Process for producing a high purity aromatic polycarboxylic acid | Masato Inari, Jitsuo Oishi, Kenji Nakaya, Hiroshi Machida | 2009-06-16 |
| 7534912 | Process for producing pyromellitic acid | Hiroshi Ogawa | 2009-05-19 |
| 6835852 | Process for producing trimellitic acid | Ikutaro Kuzuhara, Hiroshi Ogawa | 2004-12-28 |
| 6642412 | Process for producing a high purity aromatic polycarboxylic acid | Ryusuke Shigematsu, Masayoshi Hayashi, Jitsuo Oishi, Akio Hashimoto | 2003-11-04 |
| 6455731 | Process for producing a high purity aromatic polycarboxylic acid | Ryusuke Shigematsu, Masayoshi Hayashi, Jitsuo Oishi, Akio Hashimoto | 2002-09-24 |