Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243842 | Method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs | Hideyuki Kobayashi, Mitsuru Nobusue, Tustomu Motohashi, Hironaka Sasaki, Ryoichi Hoshino +2 more | 1993-09-14 |
| 5048602 | Heat exchangers | Tutomu Motohashi, Mitsuru Nobusue, Ryoichi Hoshino, Hironaka Sasaki | 1991-09-17 |
| 4945635 | Method of manufacturing brazable pipes and heat exchanger | Mitsuru Nobusue | 1990-08-07 |