Inventor

Yukio Sekine

Inventor
Sukagawa, JP

Overview

33→
Patents
1985–2021
Patent span
Physics
Primary field (CPC G)

Patents· 33 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus56%
H04NPictorial communication, e.g. television8%
A61BDiagnosis4%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling4%
B23KSoldering or unsoldering4%
H05KPrinted circuits4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A44BButtons, pins, buckles, slide fasteners, or the like2%
B26DCutting2%
B29CShaping or joining of plastics2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to SEKINE YUKIO (1)· patent assignee history
1999–2000Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1999–2000Based in Tokyo, JP· patent location history
2014–2021Patents assigned to KANTATSU CO LTD (27)· patent assignee history
2014–2020Based in Sukagawa, JP· patent location history
2015Patents assigned to OPTICAL LOGIC INC (1)· patent assignee history
2015Based in Yaita, JP· patent location history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Based in Sukagawa-city, JP· patent location history
2021Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KANTATSU CO LTD272014–2021
NIPPON KOKAN KK21999–2000
CANON KK12021
OPTICAL LOGIC INC12015
SEKINE YUKIOself11989
Locations
LocationPatentsSpan
Sukagawa, JP252014–2020
Tokyo, JP21999–2000
Sukagawa-city, JP12021
Yokohama, JP12021
Yaita, JP12015