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Inventor

Yasuhiro Yokoyama

Inventor
Nagoya, JP

Overview

17→
Patents
1993–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus13%
B29DProducing particular articles from plastics or from substances in a plastic state9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
G02CSpectacles7%
A61KPreparations for medical, dental or toiletry purposes4%
A61LMethods or apparatus for sterilising materials or objects in general4%
B29CShaping or joining of plastics4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C07KPeptides4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
PatentTitleYear
10,821,136Bone formation promoter20209,963,483Process for producing self-assembling peptide derivatives20189,498,310'Full denture base manufacturing method'20168,602,158'Muffler system with protector for small-sized vehicle'20138,408,263'Vacuum lamination device'20137,452,439'Vacuum lamination apparatus and vacuum lamination method'20087,165,840'Process for producing contact lens having a mark and contact lens having a mark obtained thereby'20076,536,586'Combination vessel of a cap type sealing tool having tamper function and a bottle portion'20036,279,825'Electronic transaction terminal for preventing theft of sensitive information'20016,071,111'Mold assembly for forming contact lens blank'20005,777,032'Ocular lens and a method for its production'19985,556,929'Ocular lens material'19965,516,467'Process for producing a tinted contact lens'19965,416,132'Ocular lens material'19955,416,180'Soft ocular lens material'19955,346,946'Ocular lens material'19945,244,470'Method for marking a water-absorptive contact lens: dyeing dry lens with a mark using reduced vat dye and then making the dye insoluble'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2020Patents assigned to MENICON CO LTD (12)· patent assignee history
1993–1996Based in Nagoya, JP· patent location history
1994–1996Patents assigned to SHINETSU CHEMICAL CO (4)· patent assignee history
1998–2020Based in Kasugai, JP· patent location history
2000–2007Based in Gifu, JP· patent location history
2001Patents assigned to FUJITSU LTD (1)· patent assignee history
2001–2013Based in Kanagawa, JP· patent location history
2008–2013Patents assigned to FUJI ELECTRIC HOLDING CO LTD (2)· patent assignee history
2013Patents assigned to YOKOYAMA YASUHIRO (2)· patent assignee history
2016Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MENICON CO LTD121993–2020
SHINETSU CHEMICAL CO41994–1996
FUJI ELECTRIC HOLDING CO LTD22008–2013
YOKOYAMA YASUHIROself22013
FUJITSU LTD12001
Locations
LocationPatentsSpan
Nagoya, JP61993–1996
Kasugai, JP41998–2020
Kanagawa, JP32001–2013
Gifu, JP22000–2007
Chiba, JP12016