Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873390 | Methods of lining the internal surface of a pipe | Shinobu Satake, Takashi Shigefuji, Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1999-02-23 |
| 5740838 | Methods of lining the internal surface of a pipe | Shinobu Satake, Takashi Shigefuji, Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1998-04-21 |
| 5609186 | Methods of lining the internal surface of a pipe | Shinobu Satake, Takashi Shigefuji, Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1997-03-11 |