Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241558 | High-Cr, high-Ni, heat-resistant, austenitic cast steel and exhaust equipment members formed thereby | Kenji Itoh, Akinaga Odaira, Koki Otsuka | 2012-08-14 |
| 6383310 | Exhaust equipment member, internal combustion engine system using same, and method for producing such exhaust equipment member | Koki Otsuka, Kenji Itoh, Norio Takahashi | 2002-05-07 |
| 4711462 | Injection ski and a method of manufacturing same | Toshimi Awano | 1987-12-08 |
| 4697821 | Ski | Kenzo Shinya, Toshimi Awano, Shigeru Asai | 1987-10-06 |
| 4697820 | Ski | Kenzo Shinya, Yasuo Saeki, Shigeru Asai | 1987-10-06 |
| 4590023 | Method for manufacturing an injection-molded foam core ski plate | Toshimi Awano, Shigeru Asai | 1986-05-20 |
| 4451041 | Golf club head and a method for manufacturing the same | Toshimi Awano, Masayuki Yoshikawa, Kouzou Yazawa, Takashi Ito | 1984-05-29 |
| 4451042 | Golf club head of carbon fiber reinforced plastic | Toshimi Awano, Masayuki Yoshikawa, Kouzou Yazawa, Takashi Ito | 1984-05-29 |
| 4449707 | Golf club head of carbon fiber reinforced plastic | Toshimi Awano, Masayuki Yoshikawa, Kouzou Yazawa, Takashi Ito | 1984-05-22 |