Inventor

KUMAGAI TETSUO

JP4 patents

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

MERCK & CO INC

1 patent

US5945445AAug 31, 1999

Composition and method for preventing or treating pine wilting disease

MERCK & CO INC48 citations84

TANABE ATSUSHI

1 patent

US8571790B2Oct 29, 2013

Method for switching reference map data in navigation device, computer readable medium for the same, and navigation device

TANABE ATSUSHI7 citations82

TOYOTA MOTOR CO LTD

1 patent

US11656085B2May 23, 2023

Route searching device and computer program

TOYOTA MOTOR CO LTD1 citations56

NAGASAKA HIKARU

1 patent

US9074902B2Jul 7, 2015

Navigation apparatus and map information updating method

NAGASAKA HIKARU3 citations53