Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399699 | Polyacetal resin composition excellent in aging resistance | Yukio Tanigawa | 2002-06-04 |
| 5948844 | Polyacetal resin composition | Mikio Oka | 1999-09-07 |
| 5364900 | Stabilized acetal resin compositions | Sadao Ibe | 1994-11-15 |
| 5306769 | Acetal copolymer and process for producing same | Tatsuo Sone, Kazuhiko Matsuzaki | 1994-04-26 |
| 5294670 | Polyacetal copolymer and composition thereof | Kazuhiko Matsuzaki | 1994-03-15 |
| 5206325 | Thermoplastic graft copolymer and process for producing the same | Kazuhiko Matsuzaki, Shiyuzi Yahiro | 1993-04-27 |
| 4962235 | Process for producing high purity formaldehyde | Hirohisa Morishita, Junzo Masamoto | 1990-10-09 |