Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716921 | Propylene resin composition | Takanori Nakashima, Shinichi Akitaya, Yasuhiro Mochizuki, Yoshitaka Morimoto, Yoshitaka Sumi | 2004-04-06 |
| 6670027 | Uniaxially oriented polypropylene-based film | Chikashi Okayama, Takanori Nakashima, Noriaki Saito, Hiroyuki Maehara | 2003-12-30 |
| 6326080 | Biaxially oriented polypropylene-base film | Chikashi Okayama, Takanori Nakashima, Yasuhiro Shiraishi, Noriaki Saito | 2001-12-04 |
| 6258893 | Unoriented polypropylene molding | Chikashi Okayama, Takanori Nakashima, Shinji Nakata, Yasuhiro Mochizuki, Shinichi Akitaya +1 more | 2001-07-10 |