Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263664 | Combined steam and gas turbine engine with magnetic transmission | Hiroyasu Tanigawa | 2001-07-24 |
| 6119650 | Energy conservation cycle engine | Hiroyasu Tanigawa | 2000-09-19 |
| 5701864 | Energy transformation method and its system for piston reciprocating cycle | Hiroyasu Tanigawa | 1997-12-30 |
| 5429078 | Internal combustion engine having rotary engine body | Hiroyasu Tanigawa, Yukinaga Tanigawa | 1995-07-04 |
| 5230307 | Internal combustion engine having rotary engine body | Hiroyasu Tanigawa, Yukinaga Tanigawa | 1993-07-27 |
| 5133305 | Internal combustion engine having rotary engine body | Hiroyasu Tanigawa, Yukinaga Tanigawa | 1992-07-28 |