Inventor

MURAKAMI SEIKI

JP4 patents

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

SONY CORP

1 patent

US7555361B2Jun 30, 2009

Apparatus, system and method for electronic ticket management and electronic ticket distribution authentication

SONY CORP48 citations92

MEIDENSHA ELECTRIC MFG CO LTD

1 patent

US5060176AOct 22, 1991

Electric motor powered testing apparatus for automotive power transmission

MEIDENSHA ELECTRIC MFG CO LTD30 citations91

NAKAMURA MASAKAZU

1 patent

US8892453B2Nov 18, 2014

Apparatus, system and method for electronic ticket management and electronic ticket distribution authentication

NAKAMURA MASAKAZU10 citations80

TOPPAN PRINTING CO LTD

1 patent

US4206167AJun 3, 1980

Method for manufacture of man-made fish-gathering plates

TOPPAN PRINTING CO LTD1 citations39