Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815467 | Methods for producing a polyol and a polymer dispersed polyol | Yoshinori Toyota, Akio Horie, Hiroshi Wada, Etsuko Akagi | 2004-11-09 |
| 6653362 | Process for producing flexible polyurethane foam | Yoshinori Toyota, Hiroshi Wada, Takayuki Sasaki, Akio Horie, Hiromitsu Takeyasu | 2003-11-25 |
| 6627576 | Double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide and its production process | Shigeru Ikai | 2003-09-30 |
| 6313060 | Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof | Hiroki Fukuda, Akio Horie, Hiroshi Wada | 2001-11-06 |
| 5750238 | Electrostatic information recording medium | Masayuki Iijima, Osamu Shimizu, Yuichi Nakayasu, Yoshiaki Tsuruoka | 1998-05-12 |
| 5721042 | Electrostatic information recording medium | Masayuki Iijima, Osamu Shimizu, Yuichi Nakayasu, Yoshiaki Tsuruoka | 1998-02-24 |
| 5635971 | Recording medium including latent image charge trap and methods involving same | Takashi Aono, Yoshiaki Tsuruoka, Masayuki Iijima | 1997-06-03 |
| 5527589 | Electrostatic information recording medium | Masayuki Iijima, Osamu Shimizu, Yuichi Nakayasu, Yoshiaki Tsuruoka | 1996-06-18 |
| 5497179 | Charge carrier medium and reproduction of electrostatic latent image | Takashi Aono, Masayuki Iijima | 1996-03-05 |