Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186701 | Biaxially oriented polyester film | Makoto Handa | 2021-11-30 |
| 8485460 | Polyester film roll | Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Hirofumi Murooka | 2013-07-16 |
| 8404371 | Biaxially oriented polyester film and magnetic recording tape | Ieyasu Kobayashi, Takeshi Ishida | 2013-03-26 |
| 8367199 | Biaxially oriented film | Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Takeshi Ishida | 2013-02-05 |
| 8191812 | Polyester film roll | Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Hirofumi Murooka | 2012-06-05 |
| 8067105 | Biaxially oriented film | Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Takeshi Ishida | 2011-11-29 |
| 7122241 | Biaxially oriented polyester film and production process therefor | Ieyasu Kobayashi, Hirofumi Murooka | 2006-10-17 |
| 6890471 | Biaxially oriented polyester film and method for production thereof | Ieyasu Kobayashi, Hirofumi Murooka | 2005-05-10 |
| 6773802 | Biaxially oriented laminated polyester film and magnetic recording medium | Ieyasu Kobayashi, Hirofumi Murooka | 2004-08-10 |