Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5846344 | Spring steel of high strength and high corrosion resistance | Masataka Shimotsusa, Kan Momozaki, Takenori Nakayama, Shigeaki Miyauchi, Yoshinori Yamamoto +1 more | 1998-12-08 |
| 5508002 | Spring steel of high strength and high corrosion resistance | Masataka Shimotsusa, Kan Momozaki, Takenori Nakayama, Shigeaki Miyauchi, Yoshinori Yamamoto +1 more | 1996-04-16 |
| 4983064 | Metal ceramic fitting assembly | Toshiaki Muto, Tatsuo Ichinokawa | 1991-01-08 |
| 4889567 | High strength and high toughness steel bar, rod and wire and the process of producing the same | Tadayoshi Fujiwara, Yukio Yamaoka, Kazuichi Hamada, Yoshiro Yamada, Yasuhiro Oki +2 more | 1989-12-26 |
| 4800744 | Production of a taper rod | Heijiro Kawakami, Kozo Katsube, Mamoru Murahashi, Susumu Takada | 1989-01-31 |
| 4801106 | Coil of tapered wire | Heijiro Kawakami, Kozo Katsube, Mamoru Murahashi, Susumu Takada | 1989-01-31 |
| 4747722 | Metal-ceramic fitting assembly | Toshiaki Muto, Tatsuo Ichinokawa | 1988-05-31 |