Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969016 | Dampening water spraying device | Yoshimaro Shiba | 2005-11-29 |
| 6238610 | Heat exchanger tank and method of producing the same | Hisarou Yamazaki | 2001-05-29 |
| 5873485 | Heat exchanger tank and method of producing the same | Hisarou Yamazaki | 1999-02-23 |