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Inventor

Motoyasu Hanji

Inventor
Itabashi-ku, JP

Overview

2→
Patents
1979–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits50%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general25%
H01GCapacitors25%
PatentTitleYear
5,998,233'Manufacture process of quartz vibrator'19994,173,726'Tuning fork-type piezoelectric vibrator'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to KINEKISHA KENKYUJO KK (1)· patent assignee history
1979Based in Tokyo, JP· patent location history
1999Patents assigned to TOYOTA JIDOSHAKABUSHIKI KAISHA (1)· patent assignee history
1999Based in Itabashi-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KINEKISHA KENKYUJO KK11979
TOYOTA JIDOSHAKABUSHIKI KAISHA11999
Locations
LocationPatentsSpan
Itabashi-ku, JP11999
Tokyo, JP11979