Inventor

Masako Shigezawa

Inventor

Kyoto, JP

Overview

18→

Patents

2011–2021

Patent span

Human necessities

Primary field (CPC A)

Patents· 18 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes26%

A61CDentistry14%

C08LCompositions of macromolecular compounds12%

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. inserts9%

B29BPreparation or pretreatment of the material to be shaped7%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials7%

LOC247%

B29CShaping or joining of plastics2%

B29LIndexing scheme associated with subclass b29c, relating to particular articles2%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%

PatentTitleYear

RE048730Dental composite material having stable pasty property2021 11,033,466Dental primer containing weakly-acidic compound2021 10,905,531Mill blank for dental CAD/CAM with groove not extending over whole of circumference2021 10,905,532Mill blank for dental CAD/CAM with resin portion contacted with CAM device2021 10,813,848Dental primer containing acid anhydride2020 10,780,027Composite material having reduced degradation of pasty property2020 10,493,003Dental composite material having stable pasty property2019 10,363,202Dental material including propylbarbituric acid polymerization catalyst2019 10,311,753Compression method tooth2019 10,265,248Composite material having reduced degradation of pasty property2019 9,925,124'Dental composition suitable for grinding with automatic grinding apparatus'2018 9,603,779'Dental composite material having stable pasty property'2017 9,526,599'Occlusal wear evaluation apparatus and occlusal wear evaluation method'2016 9,220,663'Dental composition'2015 8,494,241'Occlusion evaluation apparatus and occlusion evaluation method'2013 D0663031'Dental rotary instruments'2012 D0662590'Dental rotary instruments'2012 D0641472'Dental rotary instrument'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2021Patents assigned to SHOFU INC (14)· patent assignee history

2011–2021Based in Kyoto, JP· patent location history

2012–2018Patents assigned to SHIGEZAWA MASAKO (5)· patent assignee history

2013–2018Patents assigned to SHOFU KK (4)· patent assignee history

2013–2018Patents assigned to KADOBAYASHI YUSEI (3)· patent assignee history

2013–2018Patents assigned to TAKAHASHI KEIJI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHOFU INC	14	2011–2021
SHIGEZAWA MASAKOself	5	2012–2018
SHOFU KK	4	2013–2018
KADOBAYASHI YUSEI	3	2013–2018
TAKAHASHI KEIJI	3	2013–2018

Locations

Location	Patents	Span
Kyoto, JP	18	2011–2021