Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558728 | Continuous fiber-reinforced titanium-based composite material and method of manufacturing the same | Masaru Kobayashi, Seiichi Suzuki, Hiroshi Iizumi | 1996-09-24 |
| 5516375 | Method for making titanium alloy products | Atsushi Ogawa, Hiroshi Iizumi, Masakazu Niikura | 1996-05-14 |
| 4900510 | High strength and corrosion resistant titanium alloy having excellent corrosion-wear properties | Misao Ishikawa, Yohji Kohsaka, Katsumi Masamura | 1990-02-13 |
| 4799975 | Method for producing beta type titanium alloy materials having excellent strength and elongation | Yohji Kohsaka, Hiroyoshi Suenaga, Hideo Sakuyama, Hideo Takatori | 1989-01-24 |
| 4694985 | Method of producing titanium clad steel plate by hot rolling | Masakazu Niikura, Hiroyoshi Suenaga | 1987-09-22 |
| 4675055 | Method of producing Ti alloy plates | Hiroyoshi Suenaga, Hideo Sakuyama, Michio Hanai, Ichiroh Sawamura | 1987-06-23 |
| 4581077 | Method of manufacturing rolled titanium alloy sheets | Hideo Sakuyama, Ichiro Sawamura, Michio Hanaki, Hiroyoshi Suenaga | 1986-04-08 |
| 4528046 | Method of manufacturing austenitic stainless steel plates | Sadahiro Yamamoto | 1985-07-09 |
| 4408652 | Method of continuously casting nickel containing steel wherein surface cracks are prevented | Tetsuya Sampei | 1983-10-11 |
| 4373951 | Nonmagnetic steels having low thermal expansion coefficients and high yield points | Yohji Kohsaka | 1983-02-15 |
| 4329172 | High manganese nonmagnetic steel having excellent machinability | Tetsuya Sampei | 1982-05-11 |
| 4256516 | Method of manufacturing non-magnetic Fe-Mn steels having low thermal expansion coefficients and high yield points | Yohji Kohsaka | 1981-03-17 |
| 4184898 | Method of manufacturing high strength low alloys steel plates with superior low temperature toughness | Tomoyoshi Okita, Kazuaki Matsumoto | 1980-01-22 |