LexDanaLexDanabeta
Inventor

Tatsufumi Watanabe

Inventor
Tsukuba, JP

Overview

10→
Patents
2004–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 10 as inventor

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

B29Lprimary
B29LIndexing scheme associated with subclass b29c, relating to particular articles12%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables12%
G02BOptical elements, systems or apparatus12%
G03GElectrography12%
B29DProducing particular articles from plastics or from substances in a plastic state8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
PatentTitleYear
11,111,098Sheet folding system and image forming system202111,097,920Sheet folding apparatus and image forming system incorporating same202111,099,507Sheet separation device, laminator, image forming apparatus, and image forming system202111,084,682Sheet processing apparatus and image forming system20218,580,069'Plastic bonding method'20138,119,749'Method of taking (meth)acrylic ester polymer out of liquid reaction mixture'20127,973,117'Process for continuously producing (meth)acrylic ester polymer or copolymer'20117,952,802'Optical device provided with polarizing plate'20116,992,831'Lens sheet and method for producing it'20066,798,576'Lens sheet and method for producing it'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2013Patents assigned to KURARAY CO (6)· patent assignee history
2004–2011Based in Tsukuba, JP· patent location history
2012Based in Kamisu, JP· patent location history
2013Based in Ibaraki, JP· patent location history
2021Patents assigned to FURUHASHI TOMOHIRO (4)· patent assignee history
2021Patents assigned to RICOH CO LTD (4)· patent assignee history
2021Patents assigned to SUZUKI MICHITAKA (4)· patent assignee history
2021Patents assigned to WATANABE TAKAHIRO (4)· patent assignee history
2021Based in Yokohama-shi, Kanagawa, JP· patent location history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KURARAY CO62004–2013
FURUHASHI TOMOHIRO42021
RICOH CO LTD42021
SUZUKI MICHITAKA42021
WATANABE TAKAHIROself42021
Locations
LocationPatentsSpan
Tsukuba, JP42004–2011
Yokohama-shi, Kanagawa, JP32021
Kanagawa, JP12021
Ibaraki, JP12013
Kamisu, JP12012