Inventor

Hiroyuki Takezi

Inventor

Tachikawa, JP

Overview

2→

Patents

1981–1988

Patent span

Performing operations

Primary field (CPC B)

Patents· 2 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general25%

C10GCracking hydrocarbon oils25%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner25%

PatentTitleYear

4,734,659'Ultrasonic oscillator'1988 4,282,100'Apparatus for reforming fuel oil wherein ultrasonic waves are utilized'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SANKO STEAMSHIP (1)· patent assignee history

1981–1988Based in Tachikawa, JP· patent location history

1988Patents assigned to CHO ONPA KOGYO CO (1)· patent assignee history

1988Patents assigned to TOA NENRYO KOGYO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHO ONPA KOGYO CO	1	1988
SANKO STEAMSHIP	1	1981
TOA NENRYO KOGYO KK	1	1988

Locations

Location	Patents	Span
Tachikawa, JP	2	1981–1988