Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637841 | Fiber for artificial hair and artificial hair product using the same | Yoshitomo Matsumoto, Shin Sudo, Mitsuru Furukawa, Kazuaki Fujiwara | 2017-05-02 |
| 7858542 | Flame-retardant mattress | Wataru Mio, Susumu Iwade, Yoshitomo Matsumoto, Shigeru Maruyama | 2010-12-28 |
| 5886088 | Polyethylene terephthalate resin composition | Kazuaki Matsumoto, Youichi Ohara, Kazushi Hirobe, Kenji Mogami, Tadashi Koyama | 1999-03-23 |
| 5866672 | Flame retardant polyethylene terephthalate resin composition | Youichi Ohara, Kazuaki Matsumoto, Kazushi Hirobe | 1999-02-02 |