Inventor

YOSHIKAWA FUMITAKA

JP6 patents

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

TOKAI RIKA CO LTD

2 patents

US7999655B2Aug 16, 2011

Communication system

TOKAI RIKA CO LTD30 citations87

US11508183B2Nov 22, 2022

Biometric information authentication device

TOKAI RIKA CO LTD2 citations71

NOF CORP

1 patent

US11225623B2Jan 18, 2022

Ester for refrigerator oils

NOF CORP0 citations54

SEIKO INSTR INC

1 patent

US11400735B2Aug 2, 2022

Printing unit and thermal printer

SEIKO INSTR INC0 citations47

YOSHIKAWA FUMITAKA

1 patent

US9012583B2Apr 21, 2015

Flow improver for oils and fats

YOSHIKAWA FUMITAKA0 citations43

KAWAMOTO HIDEKI

1 patent

US8920523B2Dec 30, 2014

Fuel oil flow improver and fuel oil composition

KAWAMOTO HIDEKI0 citations35