Inventor

YAMAZAKI TSUKASA

JP5 patents

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

HITACHI LTD

1 patent

US7518277B2Apr 14, 2009

Electric motor

HITACHI LTD28 citations89

KOMATSU MFG CO LTD

1 patent

US4364572ADec 21, 1982

Seal assembly with load ring

KOMATSU MFG CO LTD20 citations71

NISSAN MOTOR

1 patent

US6041751AMar 28, 2000

Oil pan of internal combustion engine

NISSAN MOTOR12 citations62

TOPPAN INC

1 patent

US12564745B2Mar 3, 2026

Fire stopper

TOPPAN INC0 citations55

TOPPAN PRINTING CO LTD

1 patent

US12551314B2Feb 17, 2026

Examination marker

TOPPAN PRINTING CO LTD0 citations51