Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203709 | Heat-transferring double pipe, inner pipe for heat-transferring double pipe, and manufacturing method thereof | Shiro Katahira | 2025-01-21 |
| 12111117 | Double pipe for heat exchanger | Shiro Katahira, Tetsuro HATA | 2024-10-08 |
| 6293149 | Acceleration sensor element and method of its manufacture | Hitoshi Yoshida, Shigeaki Tomonari, Naomasa Oka, Takuro Ishida, Masanao Kamakura +1 more | 2001-09-25 |
| 5426412 | Infrared detecting device and infrared detecting element for use in the device | Shigeaki Tomonari, Jun Sakai, Kouichi Aizawa, Keizi Kakite, Takayoshi Awai +5 more | 1995-06-20 |