Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013506 | Process for producing polyester fibers | Shigemitsu Murase, Kouji Kakumoto, Masaru Sugawa, Mikio Ide | 1991-05-07 |
| 4869958 | Polyester fiber and process for producing the same | Shigemitsu Murase, Kouji Kakumoto, Masaru Sugawa, Mikio Ide | 1989-09-26 |