Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519083 | Process for producing MEK-modified resorcin/formalin resin parallelly carrying out recovery and reuse of specified raw material | Hiroshi Nakaoka, Kaoru Abe | 2013-08-27 |
| 7834124 | Ketone-modified resorcinol-formalin resin | Hiroshi Nakaoka, Hisatoshi Koinuma | 2010-11-16 |
| 7718752 | Process for producing resorcinol-formalin resin | Hiroshi Nakaoka, Hisatoshi Koinuma | 2010-05-18 |
| 7589163 | Peel-treating agent and method for producing the peel-treating agent | Hiroshi Satoh | 2009-09-15 |
| 7193028 | Peel-treating agent and method for producing the peel-treating agent | Hiroshi Satoh | 2007-03-20 |
| 4376854 | Process for preparing resorcinol copolymers | Toyohiko Yamaguchi, Koichi Kashima | 1983-03-15 |