Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300401 | Material having a damping property and masterbatch pellets thereof | Yasuhiko Fujii, Shigeru Takaragi, Tetsuro Toda | 2001-10-09 |
| 5977235 | Material having a damping property and masterbatch pellets therefor | Yasuhiko Fujii, Shigeru Takaragi, Tetsuro Toda | 1999-11-02 |
| 5399278 | Process for producing acicular goethite particles and acicular magnetic iron oxide particles | Katsumi Yamashita, Tosiharu Harada, Haruki Kurokawa, Kazuhisa INABA, Hideaki Sadamura +1 more | 1995-03-21 |
| 5294492 | Acicular magnetic iron oxide particles | Hiroshi Oka, Kazuaki Kouziro, Toshitada Shigemura, Katsumi Yamashita, Kazushi Takama +2 more | 1994-03-15 |