Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582650 | Organic silicon polymer, inorganic fiber with silicon carbide base, and method of manufacture thereof | Kiyoshi Kumagawa, Michiyuki Suzuki, Hiroyuki Yamaoka | 2003-06-24 |
| 6536073 | Electric vacuum cleaner | Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Kazuma Suo, Saburo Kajikawa | 2003-03-25 |