Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145812 | Molded articles formed of silicon nitride based ceramic and process for producing same | Mikiro Arai, Osamu Funayama, Hayato Nishii, Tamio Ishiyama, Hiroshi Kaya +6 more | 1992-09-08 |
| 5128286 | Boron-containing, silicon nitride-based ceramic shaped body | Osamu Funayama, Mikiro Arai, Hiroyuki Aoki, Yuuji Tashiro, Toshio Katahata +3 more | 1992-07-07 |