Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D547602 | Steaming plate for rice cooker | Isamu Yamasaki, Yoshio Ueki | 2007-07-31 |
| 4619768 | Method of removing crude oil sludge | Sankichi Takahashi, Harumi Matsuzaki, Toshimi Mukushi, Katsuya Ebara, Tsunehiko Takakusagi +4 more | 1986-10-28 |