Inventor

Kyoichi Ikeda

Inventor

Tokyo, JP

Overview

1981–2021

Patent span

Physics

Primary field (CPC G)

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

G01Lprimary

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure34%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves7%

G01KMeasuring temperature7%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock7%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

Y10TTechnical subjects covered by former us classification7%

B66BElevators3%

G01DMeasuring not specially adapted for a specific variable3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to YOKOGAWA ELECTRIC WORKS LTD (1)· patent assignee history

1981Based in Musashino, JP· patent location history

1984–1985Patents assigned to YOKOGAWA HOKUSHIN ELECTRIC (2)· patent assignee history

1984–2009Based in Tokyo, JP· patent location history

1989–1999Patents assigned to YOKOGAWA ELECTRIC CORP (8)· patent assignee history

2009Patents assigned to TOSHIBA ELEVATOR KK (1)· patent assignee history

2021Patents assigned to JAPAN DISPLAY INC (1)· patent assignee history

2021Based in Minato-ku, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations