P

Inventor

TAMAMURA HISASHI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “TAMAMURA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY TEKTRONIX CORP

4 patents
US5011265AApr 30, 1991

Optical attenuator

SONY TEKTRONIX CORP26 citations85
US4727318AFeb 23, 1988

Apparatus for measuring characteristics of electronic devices

SONY TEKTRONIX CORP23 citations80
US4818934AApr 4, 1989

Apparatus for measuring characteristics of electronic devices

SONY TEKTRONIX CORP14 citations71
US4782290ANov 1, 1988

Apparatus for measuring characteristics or electronic devices

SONY TEKTRONIX CORP12 citations71

NIPPON ASPHERICAL LENS CO

1 patent
US6255619B1Jul 3, 2001

Lens, semiconductor laser element, device for machining the lens and element, process for producing semiconductor laser element, optical element, and device and method for machining optical element

NIPPON ASPHERICAL LENS CO9 citations61