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Inventor

Takeshi Yamakawa

Inventor
Shizuoka, JP

Overview

3→
Patents
2019–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers17%
C22CAlloys17%
H01QAntennas, i.e. radio aerials17%
Y10TTechnical subjects covered by former us classification17%
B41MPrinting, duplicating, marking, or copying processes8%
B42DBooks8%
G06KGraphical data reading8%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing8%
PatentTitleYear
10,998,638Nickel-chromium particles and multilayer structures comprising nickel chromium core layers202110,998,639Discrete metallic particles and multilayer structures comprising reflective core layers202110,242,309Information recording object and reading device2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
2019Based in Tokyo, JP· patent location history
2021Patents assigned to TOYOTA ENG & MFG NORTH AMERICA (2)· patent assignee history
2021Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
2021Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA ENG & MFG NORTH AMERICA22021
TOYOTA MOTOR CO LTD22021
DAINIPPON PRINTING CO LTD12019
Locations
LocationPatentsSpan
Shizuoka, JP22021
Tokyo, JP12019