Inventor

SAKATA HARUHISA

JP4 patents

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

KOKUSAI DENSHIN DENWA CO LTD

2 patents

US5952683ASep 14, 1999

Functional semiconductor element with avalanche multiplication

KOKUSAI DENSHIN DENWA CO LTD16 citations72

US5663572ASep 2, 1997

Optical functional semiconductor element

KOKUSAI DENSHIN DENWA CO LTD8 citations72

DDI CORP

1 patent

US6377388B1Apr 23, 2002

Optical signal processor

DDI CORP7 citations71

KDD CORP

1 patent

US6147901ANov 14, 2000

Semiconductor memory operating electrically and optically, retaining information without power supply

KDD CORP6 citations61