Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484831 | Polyphenylene ether resin composition | Hideyuki Higashimura, Yoshitaka Ohbe, Akihiko Okada, Kazutoshi Ohashi, Shigeki Kriyama | 1996-01-16 |
| 4895929 | Process for producing polyphenylene ether, dispersing polyether in aqueous medium and heating dispersion | Katsuhiro Abe, Kazunori Yano, Shigeki Kiriyama, Yoshiharu Tatsukami, Kenji Nagaoka | 1990-01-23 |
| 4868276 | Process for producing polyphenylene oxide with alkanolamine and secondary amine | Kenji Nagaoka, Yoshiharu Tatsukami, Masahiro Fujiwara, Katsuhiro Abe, Kazunori Yano | 1989-09-19 |