Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302685 | Method for preparing organopolysiloxane powder | Hiroshi Tsumura, Nobuhiko Kodana, Kenichi Isobe | 1994-04-12 |
| 5210250 | Method for decolorizing purification of halogenated silane | Isao Watanuki, Hiroshi Tsumura, Nobuhiko Kodana, Kazushi Satoh, Masanori Fukuhira | 1993-05-11 |