Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018162 | Surface wave excitation plasma processing system | Masayasu Suzuki | 2011-09-13 |
| 7956229 | Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture | Hideki Yamane | 2011-06-07 |
| 7718580 | Internal-olefin composition and base oil comprising the composition for oil drilling | Nobuo Fujikawa, Hideki Yamane | 2010-05-18 |
| 7129382 | Process for producing bisphenol A | Masahiro Iwahara | 2006-10-31 |
| 6943273 | Method for producing bisphenol-A | Masahiro Iwahara | 2005-09-13 |
| 6825386 | Catalyst for bisphenol compound production and process for producing bisphenol compound with the catalyst | Masahiro Iwahara | 2004-11-30 |
| 6784324 | Process for producing bisphenol A | — | 2004-08-31 |
| 6740784 | Process for producing bisphenol A | Masahiro Iwahara | 2004-05-25 |
| 6737551 | Process for producing bisphenol A | — | 2004-05-18 |
| 6727394 | Method for producing bisphenol A | — | 2004-04-27 |
| 6608234 | Process for producing bisphenol A | — | 2003-08-19 |
| 6414199 | Method of producing bisphenol A | — | 2002-07-02 |
| 6268543 | Method of removing mercury in liquid hydrocarbon | Tsunenori Sakai, Hidetoshi Ono, Jun Mase | 2001-07-31 |