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Inventor

Ichiro Ishihara

Inventor
Tokyo, JP

Overview

4→
Patents
1989–1994
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.

H03Kprimary
H03KPulse technique60%
H03FAmplifiers20%
H03GControl of amplification20%
PatentTitleYear
5,289,048'Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits'19945,162,671'Schmitt voltage comparator'19924,855,686'Differential amplifier circuit'19894,814,643'Comparison circuit'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to TOSHIBA KK (4)· patent assignee history
1989–1994Based in Tokyo, JP· patent location history
1989Based in Takaidohiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK41989–1994
Locations
LocationPatentsSpan
Tokyo, JP31989–1994
Takaidohiga, JP11989