Inventor

YAMAGUCHI TOSHIKAZU

JP4 patents

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

NIPPON TELEGRAPH & TELEPHONE

2 patents

US5600722AFeb 4, 1997

System and scheme of cipher communication

NIPPON TELEGRAPH & TELEPHONE130 citations95

US5604807AFeb 18, 1997

System and scheme of cipher communication

NIPPON TELEGRAPH & TELEPHONE32 citations89

SHIBATA HIROSHI

1 patent

US8251136B2Aug 28, 2012

Cooling device

SHIBATA HIROSHI12 citations78

YAMAGUCHI TOSHIKAZU

1 patent

US8623387B2Jan 7, 2014

External preparation composition comprising fatty acid-based ionic liquid as active ingredient

YAMAGUCHI TOSHIKAZU7 citations76