Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6287465 | Ozone deodorizer | Masanori Watanabe, Fumio Hayashi | 2001-09-11 |
| 6029911 | Air ozone mixer and ozone fog generator | Masanori Watanabe, Atsuyoshi Minobe | 2000-02-29 |
| 4738300 | Endless track type continuous casting installation | Yutaka Tsuchida, Shuzo Takahashi, Nobuhisa Hasebe, Katsuyuki Sako | 1988-04-19 |