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Inventor

Mituru Ichikawa

Inventor
Nishio, JP

Overview

4→
Patents
1992–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B42Bprimary
B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto20%
G03GElectrography20%
B27FDovetailed work10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
B42CBookbinding10%
G02BOptical elements, systems or apparatus10%
H01LSemiconductor devices10%
H10HInorganic light-emitting semiconductor devices having potential barriers10%
PatentTitleYear
10,974,492Light emitting device and method of manufacturing light emitting device20215,642,235'Lens supporting device'19975,263,697'Finisher for an image forming apparatus'19935,083,760'Finisher for an image forming apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to RICOH KK (2)· patent assignee history
1992–1993Based in Nishio, JP· patent location history
1997Patents assigned to ASAHI OPTICAL CO LTD (1)· patent assignee history
1997Based in Tokyo, JP· patent location history
2021Patents assigned to NICHIA CORP (1)· patent assignee history
2021Based in Tokushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK21992–1993
ASAHI OPTICAL CO LTD11997
NICHIA CORP12021
Locations
LocationPatentsSpan
Nishio, JP21992–1993
Tokushima, JP12021
Tokyo, JP11997