Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840421 | Chlorosilane production method | Shouji Iiyama, Tomohiro Yamamoto, Shinichirou Koyanagi, Kanji Sakata | 2017-12-12 |
| 7803341 | Fine dry silica particles | Masakazu Ohara, Hiroo Aoki, Masahide Ueda | 2010-09-28 |
| 5409766 | Nonwoven fabric in an electret state and process for its production | Haruo Yuasa, Masayuki Mito, Satoshi Matsuura | 1995-04-25 |