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Inventor

Tetsuya Katsumata

Inventor
Tokyo, JP

Overview

2→
Patents
1997–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B22Dprimary
B22DCasting of metals33%
H04NPictorial communication, e.g. television33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
8,457,444'Communication apparatus'20135,683,730'Breathing apparatus of a mold'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to SHOWA CORP (1)· patent assignee history
1997Based in Gotenba, JP· patent location history
2013Patents assigned to KATSUMATA TETSUYA (1)· patent assignee history
2013Patents assigned to OHKAWA TOMOKI (1)· patent assignee history
2013Patents assigned to PIONEER CORP (1)· patent assignee history
2013Patents assigned to SHIRASAKA SHINICHI (1)· patent assignee history
2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KATSUMATA TETSUYAself12013
OHKAWA TOMOKI12013
PIONEER CORP12013
SHIRASAKA SHINICHI12013
SHOWA CORP11997
Locations
LocationPatentsSpan
Tokyo, JP12013
Gotenba, JP11997