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Inventor

Mitsuo Toya

Inventor
Fujisawa, JP

Overview

4→
Patents
1980–1989
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

F25Bprimary
F25BRefrigeration machines, plants or systems20%
H04BTransmission20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04MTelephonic communication20%
H04WWireless communication networks20%
PatentTitleYear
4,812,997'Control apparatus for an air conditioning system'19894,363,935'Mobile radio telephone system'19824,317,221'Mobile data receiving system'19824,231,116'Radio station system'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to HITACHI LTD (3)· patent assignee history
1980–1982Based in Fujisawa, JP· patent location history
1989Patents assigned to DAIKIN IND LTD (1)· patent assignee history
1989Based in Otsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31980–1982
DAIKIN IND LTD11989
Locations
LocationPatentsSpan
Fujisawa, JP31980–1982
Otsu, JP11989