Inventor

MURAKAMI KEIZO

JP3 patents

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

FUJI ELECTRIC CO LTD

1 patent

US9519306B2Dec 13, 2016

Distribution device, distribution system, and distribution method

FUJI ELECTRIC CO LTD9 citations79

NIPPON TELEGRAPH & TELEPHONE

1 patent

US12395322B2Aug 19, 2025

Encryption apparatus, cypher communication system, encryption method and program

NIPPON TELEGRAPH & TELEPHONE0 citations53

NTT INC

1 patent

US12438697B2Oct 7, 2025

Communication system, information processing apparatus, communication method and program

NTT INC0 citations48