Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093412 | Method of purifying propylene oxide | Toshio Nakayama, Junpei Tsuji, Koji Shinohara | 2012-01-10 |
| 7285187 | Method of purifying propylene oxide | Toshio Nakayama, Koji Shinohara | 2007-10-23 |
| 7132579 | Method of chlorine purification and process for producing 1,2-dichloroethane | Tateo Seo, Kiyoshi Iwanaga | 2006-11-07 |
| 7053226 | Process for producing cumene | Junpei Tsuji | 2006-05-30 |
| 6803490 | Process for producing &agr;-phenylethyl alcohol | Hirofumi Koike | 2004-10-12 |
| 6736941 | Process for purifying propylene oxide | Masaru Ishino | 2004-05-18 |
| 6646138 | Process for producing propylene oxide | Tateo Seo | 2003-11-11 |
| 6646140 | Process for producing oxirane compound | Tateo Seo | 2003-11-11 |
| 6620951 | Process for producing oxirane compound | Masaaki Katao | 2003-09-16 |
| 6600054 | Process for producing propylene oxide | Toshikazu Omae | 2003-07-29 |
| 6410806 | Reduction-treated copper-based catalyst and process for producing &agr;-phenylethyl alcohol using the same | Masaru Ishino | 2002-06-25 |
| 6046369 | Process for producing .alpha.-phenylethyl alcohol | Masaru Ishino | 2000-04-04 |
| 5723637 | Process for producing propylene oxide | Junpei Tsuji, Kenshi Uchida, Mitsuhisa Tamura, Masaru Ishino | 1998-03-03 |