Inventor

YAMAMURA AKIHIKO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “YAMAMURA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

2 patents

US4861673AAug 29, 1989

Composite sintered material having sandwich structure

SUMITOMO ELECTRIC INDUSTRIES15 citations71

US5705758AJan 6, 1998

Non-magnetic or feebly magnetic diamond sintered compact and a process for the productin of the same

SUMITOMO ELECTRIC INDUSTRIES4 citations56

SAMSUNG ELECTRONICS CO LTD

1 patent

US5034831AJul 23, 1991

Magnetic recording and reproducing apparatus having cassette discriminating means

SAMSUNG ELECTRONICS CO LTD3 citations59

YAMAMURA AKIHIKO

1 patent

US8189253B2May 29, 2012

Shutter device and drive method

YAMAMURA AKIHIKO2 citations53