Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306153 | Ion chromatograph | Katsumasa Sakamoto | 2025-05-20 |
| 12031957 | Ion suppressor | Katsumasa Sakamoto | 2024-07-09 |
| 11982653 | Ion chromatograph and ion component analysis method | Katsumasa Sakamoto | 2024-05-14 |
| 11531010 | Ion suppressor and ion chromatograph | Katsumasa Sakamoto | 2022-12-20 |
| 11377545 | Curable resin composition, cured product, diffractive optical element, multilayer diffractive optical element, and method for producing curable resin composition | Takayasu Nagai, Naozumi SHIRAIWA, Takafumi Nakayama, Naoyuki Morooka, Masahiro Takata | 2022-07-05 |
| 11131230 | Exhaust treatment device for diesel engine | Katsushi Inoue, Hiroaki Okano | 2021-09-28 |
| 10890090 | Engine | Katsushi Inoue, Hiroaki Okano | 2021-01-12 |
| 10619546 | Exhaust treatment device for diesel engine | Katsushi Inoue, Koichi Funaki, Tamotsu Kuno, Kentaro KITA, Yuki Yoshita | 2020-04-14 |
| 10101308 | Refractive index detector and liquid chromatograph | — | 2018-10-16 |
| 10041914 | Degassing device | Kumiko Jingu, Keisuke Ogawa, Masato Watanabe, Yusuke Nagai, Tomoyuki Yamazaki | 2018-08-07 |
| 10024789 | Measurement method using differential refractometer, differential refractometer using the measurement method, and liquid chromatograph | Kumiko Jingu, Masami Tomita, Yutaka Kono | 2018-07-17 |
| 9877368 | Optical analyzer | Yusuke Nagai, Keisuke Ogawa, Masato Watanabe, Kumiko Jingu, Tomoyuki Yamazaki | 2018-01-23 |
| 8863644 | Cam mechanism and liquid sending pump having same | — | 2014-10-21 |
| 8758464 | Exhaust treatment device for a diesel engine | Yasuo Fujii, Katsushi Inoue, Yuuki Ishii, Kenta Mitamura, Noriyoshi Eguchi +2 more | 2014-06-24 |
| 8484958 | Exhaust treatment device of diesel engine | Yasuo Fujii, Katsushi Inoue, Yuuki Ishii, Kenta Mitamura, Noriyoshi Eguchi | 2013-07-16 |
| 8226201 | Image recording apparatus and method of detecting ejection failure in pre-processing agent ejection nozzles in image recording apparatus | Ryuhei Sumida | 2012-07-24 |
| 7956800 | Position measuring method and mobile communication terminal | Satoshi Miyata, Seiichi Kawakami, Jun Sakamoto, Kazuya Kawakami, Atsushi Wada | 2011-06-07 |
| 7432923 | Position measuring method and mobile communication terminal | Satoshi Miyata, Seiichi Kawakami, Jun Sakamoto, Kazuya Kawakami, Atsushi Wada | 2008-10-07 |
| 6388716 | Automatic brightness correction apparatus for image display device | Yoshiji Tsuzuki | 2002-05-14 |
| 5835029 | Digital convergence apparatus | Tsutomu Sakamoto, Yoshiji Tsuzuki, Hisayuki Mihara, Toshio Obayashi | 1998-11-10 |
| 5793447 | Digital convergence apparatus | Tsutomu Sakamoto, Yoshiji Tsuzuki, Hisayuki Mihara, Toshio Obayashi | 1998-08-11 |
| 5592240 | Digital convergence apparatus | Tsutomu Sakamoto, Yoshiji Tsuzuki, Hisayuki Mihara | 1997-01-07 |
| 5307128 | Toner supplying device | Hiroshi Murasaki | 1994-04-26 |
| 5295380 | Edging mill for section rolling | Takeshi Hioki, Toru Ikezaki, Yasushi Horiuchi, Kazufumi Hirose, Yoshun Yamamoto | 1994-03-22 |
| 4971880 | Developer containing halogenated amorphous carbon particles prepared by plasma-polymerization | Hideo Hotomi, Izumi Osawa, Isao Doi, Shuji Iino, Kenji Masaki | 1990-11-20 |