Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478657 | Titanium discs useful for magnetic discs | Iwao Ida, Hitoshi Nagashima, Masanori Ohmura, Naoto Kohshiro, Noboru Kurata | 1995-12-26 |
| 5360677 | Magnetic disk substrate | Hideaki Fukai, Kuninori Minakawa, Shinichiro Otaka, Masahiko Naoe | 1994-11-01 |
| 5221459 | Method of manufacturing a magnetic disk substrate of titanium | Yoko Okano, Toshio Sakiyama, Kenji Morita, Masanori Ohmura, Iwao Ida +1 more | 1993-06-22 |
| 5188677 | Method of manufacturing a magnetic disk substrate | Hideaki Fukai, Kuninori Minakawa | 1993-02-23 |
| 5159787 | Method for lapping two surfaces of a titanium disk | Takeshi Ito, Masakuni Takagi, Hiroyoshi Takeuchi, Hideaki Fukai, Kuninori Minakawa | 1992-11-03 |
| 5136819 | Method for mirror polishing of ti-made magnetic disk substrate | Masakuni Takagi, Hiroyoshi Takeuchi, Hideaki Fukai, Toshio Sakiyama, Kuninori Minakawa | 1992-08-11 |
| 5131995 | Method of manufacturing titanium magnetic disk substrate | Hideaki Fukai, Toshio Sakiyama, Kuninori Minakawa | 1992-07-21 |
| 5120615 | Magnetic disk substrate and method of manufacturing the same | Hideaki Fukai, Kuninori Minakawa | 1992-06-09 |
| 5060845 | Method for manufacture titanium clad steel plate | Misao Ishikawa, Kuninori Minakawa | 1991-10-29 |
| 4990362 | Method of manufacturing a titanium magnetic disk substrate | Hiroshi Kibe, Hideaki Fukai | 1991-02-05 |
| 4944914 | Titanium base alloy for superplastic forming | Atsushi Ogawa, Kuninori Minakawa | 1990-07-31 |
| 4799975 | Method for producing beta type titanium alloy materials having excellent strength and elongation | Chiaki Ouchi, Yohji Kohsaka, Hideo Sakuyama, Hideo Takatori | 1989-01-24 |
| 4694985 | Method of producing titanium clad steel plate by hot rolling | Chiaki Ouchi, Masakazu Niikura | 1987-09-22 |
| 4675055 | Method of producing Ti alloy plates | Chiaki Ouchi, Hideo Sakuyama, Michio Hanai, Ichiroh Sawamura | 1987-06-23 |
| 4581077 | Method of manufacturing rolled titanium alloy sheets | Hideo Sakuyama, Ichiro Sawamura, Michio Hanaki, Chiaki Ouchi | 1986-04-08 |
| 4417493 | Method for cutting off steel plate | Chiaki Ohuchi, Yoji Kohsaka | 1983-11-29 |