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Inventor

Hachiro Hamaguchi

Inventor
Nara, JP

Overview

3→
Patents
1976–1977
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

C23Cprimary
C23CCoating metallic material33%
H01CResistors33%
H05KPrinted circuits33%
PatentTitleYear
4,007,063'Heat treating method for metal film resistor'19773,932,694'Pre-treatment method for electroless plating for producing a metal film as resistor'19763,930,896'Method for producing metal film resistor by electroless plating'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TATSUTA DENSEN KK (2)· patent assignee history
1976–1977Based in Nara, JP· patent location history
1977Patents assigned to HAMAGUCHI HACHIRO (1)· patent assignee history
1977Patents assigned to MORI KENJI (1)· patent assignee history
1977Patents assigned to SHIMIZU SAJIRO (1)· patent assignee history
1977Patents assigned to TAKAHAMA HIROSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TATSUTA DENSEN KK21976
HAMAGUCHI HACHIROself11977
MORI KENJI11977
SHIMIZU SAJIRO11977
TAKAHAMA HIROSHI11977
Locations
LocationPatentsSpan
Nara, JP31976–1977