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Inventor

Hiroo Watanabe

Inventor
Hitachi, JP

Overview

12→
Patents
1978–1997
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

A61Cprimary
A61CDentistry13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments10%
Y10TTechnical subjects covered by former us classification10%
B62DMotor vehicles7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A47CChairs3%
B23BTurning3%
B29CShaping or joining of plastics3%
PatentTitleYear
5,665,875'Water-soluble tetraazaporphins and fluorochrome for labeling'19975,627,028'Water-soluble tetraazaporphins and fluorochrome for labeling'19975,438,135'Water-soluble tetraazaporphins and fluorochrome for labeling'19955,318,892'Method for assaying antibody against Chlamydia trachomatis and diagnostic preparation for chlamydia trachomatis infection'19944,744,752'Dental handpiece control device'19884,617,837'Speed change device for medical handpiece'19864,505,677'Driving method and device for dental hand-piece'19854,455,047'Vehicle seat having an adjustable femur supporter'19844,427,865'Method of heat-bonding interior material'19844,406,470'Chuck device for dental handpiece'19834,071,448'Method for treatment of cyanide-containing waste water'19784,068,884'Understructure of an automotive body'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
1978Patents assigned to MITSUI TOATSU CHEMICALS (1)· patent assignee history
1978Based in Hujisawa, JP· patent location history
1978Based in Tokyo, JP· patent location history
1983–1988Patents assigned to MORITA MFG (4)· patent assignee history
1983–1988Based in Kyoto, JP· patent location history
1984Patents assigned to NISSAN MOTOR (2)· patent assignee history
1984Based in Miura, JP· patent location history
1994–1997Patents assigned to HITACHI CHEMICAL CO LTD (4)· patent assignee history
1994–1997Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CHEMICAL CO LTD41994–1997
MORITA MFG41983–1988
NISSAN MOTOR21984
HONDA MOTOR CO LTD11978
MITSUI TOATSU CHEMICALS11978
Locations
LocationPatentsSpan
Hitachi, JP41994–1997
Kyoto, JP41983–1988
Miura, JP21984
Hujisawa, JP11978
Tokyo, JP11978