Inventor

Masao Tomioka

Inventor
Toyohashi, JP

Overview

14→
Patents
1976–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B29Cprimary
B29CShaping or joining of plastics15%
C08JWorking-up11%
Y10TTechnical subjects covered by former us classification11%
B29BPreparation or pretreatment of the material to be shaped9%
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%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C08LCompositions of macromolecular compounds5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H05KPrinted circuits5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to SONY CORP (3)· patent assignee history
1987Based in Yamato, JP· patent location history
1989Based in Kanagawa, JP· patent location history
2001Patents assigned to SONY VIDEO M SDN BHD (2)· patent assignee history
2001Based in Kajang, MY· patent location history
2018–2021Patents assigned to MITSUBISHI CHEM CORP (9)· patent assignee history
2018–2021Patents assigned to MITSUBISHI RAYON CO (2)· patent assignee history
2018–2021Based in Toyohashi, JP· patent location history
2019Patents assigned to HAGIWARA MIYUKI (1)· patent assignee history
2020–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM CORP92018–2021
SONY CORP31976–1989
MITSUBISHI RAYON CO22018–2021
SONY VIDEO M SDN BHD22001
HAGIWARA MIYUKI12019
Locations
LocationPatentsSpan
Toyohashi, JP72018–2021
Tokyo, JP22020–2021
Kajang, MY22001
Kanagawa, JP11989
Yamato, JP11987