Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844010 | Process for producing (poly)sulfide compound and process for producing episulfide compound | Chitoshi Shimakawa, Shigetoshi Kuma, Masaru Kawaguchi | 2020-11-24 |
| 10399930 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Shigetoshi Kuma | 2019-09-03 |
| 10399929 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Shigetoshi Kuma | 2019-09-03 |
| 9809533 | Purification method of aldehyde compound | Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Shigetoshi Kuma | 2017-11-07 |
| 9487475 | Preparation method of aldehyde compound with limited amount of acrylonitrile | Naoyuki Kakinuma, Shigetoshi Kuma | 2016-11-08 |
| 9475760 | Preparation method of aldehyde compound using a metal compound and a phosphorus compound | Naoyuki Kakinuma, Shigetoshi Kuma | 2016-10-25 |
| 8772441 | Polyurethanes polymerizable composition and method for producing optical resin of the same | Shigetoshi Kuma, Hiroyuki Morijiri, Seiichi Kobayashi | 2014-07-08 |
| 8183404 | Process for producing dicyanonorbornane and zerovalent nickel complex catalyst | Norihiko Fukatsu, Hiroyuki Morijiri, Chitoshi Shimakawa, Seiichi Kobayashi | 2012-05-22 |
| 7627256 | Method and system for wavelength division multiplexed optical signal transmission and optical repeater | — | 2009-12-01 |
| 7068931 | Alarm control system and method | — | 2006-06-27 |
| 4395175 | Process for treating scrap anodes and apparatus therefor | Hidetoshi Tsurimoto, Martin K. Schonfeldt | 1983-07-26 |