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Inventor

Masakazu Tsukamoto

Inventor
Aichi, JP

Overview

6→
Patents
1985–2001
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Rprimary
G01RMeasuring electric variables100%
PatentTitleYear
6,326,796'Harmonic measuring method and a current injection device for harmonic measurement'20016,208,945'Harmonic component measuring method for power system'20016,114,859'Harmonic characteristic measuring method and harmonic characteristic measuring apparatus'2000D0285069'Telephone unit'1986D0279981'Mobile telephone unit'1985D0277281'Mobile telephone unit'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to IWATSU ELECTRIC CO LTD (3)· patent assignee history
1985Based in Funabashi, JP· patent location history
1986Based in Tokyo, JP· patent location history
2000–2001Patents assigned to NISSIN ELECTRIC CO LTD (3)· patent assignee history
2000Patents assigned to CHUBA ELECTRIC POWER CO INC (1)· patent assignee history
2000–2001Based in Aichi, JP· patent location history
2001Patents assigned to CHUBU ELECTRIC POWER (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IWATSU ELECTRIC CO LTD31985–1986
NISSIN ELECTRIC CO LTD32000–2001
CHUBU ELECTRIC POWER22001
CHUBA ELECTRIC POWER CO INC12000
Locations
LocationPatentsSpan
Aichi, JP32000–2001
Funabashi, JP21985
Tokyo, JP11986