MT

Masaaki Tobioka

Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
📍 Itami, JP: #221 of 1,436 inventorsTop 20%
Overall (All Time): #357,765 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5480601 Method for producing an elongated sintered article Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe 1996-01-02
5266389 Surface-coated hard material for cutting tools or wear resistance tools Naoya Omori, Kazuo Yamagata, Toshio Nomura 1993-11-30
5252288 Method for producing an elongated sintered article Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe 1993-10-12
5116694 Coated cemented carbides Hiroshi Tsukada, Toshio Nomura, Yasuhiro Saito 1992-05-26
5114641 Method for producing an elongated sintered article Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe 1992-05-19
5112643 Gaseous phase synthesized diamond and method for synthesizing same Akihiko Ikegaya 1992-05-12
5006289 Method for producing an elongated sintered article Susumu Yamamoto, Teruyuki Murai, Nozomu Kawabe 1991-04-09
4900628 Gaseous phase synthesized diamond and method for synthesizing same Akihiko Ikegaya 1990-02-13
4859490 Method for synthesizing diamond Akihiko Ikegaya 1989-08-22
4769070 High toughness cermet and a process for the production of the same Yasuhiro Shimizu, Kazutaka Isobe, Nobuyuki Kitagawa, Toshio Nomura, Kunihiro Takahashi 1988-09-06
4746563 Multilayer coated cemented carbides Minoru Nakano 1988-05-24
4675206 Process for the production of a surface-coated article Akihiko Ikegaya 1987-06-23
4279651 Sintered hard metal and the method for producing the same Naoji Fujimori, Tsuyoshi Asai, Takaharu Yamamoto, Masaya Miyake 1981-07-21
4277283 Sintered hard metal and the method for producing the same Mitsuo Kodama, Tsuyoshi Asai, Takaharu Yamamoto 1981-07-07