Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467999 | Internal pressure regulating system for flexible bag body, flexible membrane dam using the same, and method for regulating internal pressure in the flexible membrane dam | Satoshi Tagomori, Masaru Kaneko | 2002-10-22 |
| 6354762 | Mounting member and flexible membrane dam | — | 2002-03-12 |
| 6213683 | Flexible film weir | — | 2001-04-10 |
| 6179521 | Flexible membrane mounting metal fitting and flexible membrane inflating structural body | Yoshihiro Sato, Shoji Naito, Satoshi Tagomori | 2001-01-30 |
| 6139121 | Positive drive rubber track | — | 2000-10-31 |
| 6102620 | Rubber dam and method of application thereof | — | 2000-08-15 |
| 5540489 | Rubber track assembly | Masaru Ishibashi, Harumichi Yamazaki | 1996-07-30 |
| 5536464 | Apparatus and method for curing endless rubber track | — | 1996-07-16 |
| 5447365 | Rubber track assembly | Masaru Ishibashi, Harumichi Yamazaki | 1995-09-05 |
| 5427443 | Annular elastic track | Masaru Ishibashi | 1995-06-27 |
| 5295741 | Core bar for rubber track and rubber track traveling device | Sumio Togashi, Harumichi Yamazaki | 1994-03-22 |
| 4836713 | Flexible sheet dams | Hideaki Saito, Mamoru Takasaki, Yasushi Enami | 1989-06-06 |
| 4662783 | Flexible membraneous weir | Yasushi Enami, Hideaki Saito, Kuninori Aramaki | 1987-05-05 |
| 4498810 | Collapsible rubber dam | Mamoru Kurihara, Yasushi Enami | 1985-02-12 |
| 4330224 | Collapsible rubber dam installation | Mamoru Kurihara | 1982-05-18 |
| 4299514 | Collapsible rubber dam | Mamoru Kurihara | 1981-11-10 |