Inventor

Isao Ishikawa

Inventor

Hino, JP

Overview

39→

Patents

1977–2020

Patent span

Physics

Primary field (CPC G)

Patents· 39 as inventor

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

G01Hprimary

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves12%

G01NInvestigating or analysing materials by determining their chemical or physical properties11%

G10KSound-producing devices10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals5%

H01JElectric discharge tubes or discharge lamps5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

C22BProduction and refining of metals4%

A61CDentistry2%

PatentTitleYear

10,603,410Complex of implant and cultured periodontal ligament cell sheet, method for manufacturing the same, and method for using the same2020 9,175,367'Process for neutralizing bauxite dissolution residual substance and process for producing aluminum hydroxide'2015 9,114,192'Cultured periodontal ligament cell sheet, process for producing the same and method of use thereof'2015 8,679,427'Process for neutralizing bauxite dissolution residual substance and process for producing aluminum hydroxide'2014 6,669,852'Separation method of goethite-containing red mud'2003 6,528,028'Process for treating bauxite in which a desilication product and an insoluble residure are separately precipitated'2003 6,001,039'Rotational speed difference sensitive type joint assembly'1999 5,994,421'Water-absorbent resin dispersion and polyurethane composition'1999 5,338,267'Worm differential gear mechanism'1994 5,335,809'Heat insulating container'1994 5,101,663'Method for the determination of strength of join between ceramic and non-ceramic'1992 5,100,926'Process for producing polyurethane'1992 5,060,201'Probe for ultrasonic microscope'1991 5,050,137'Ultrasonic probe'1991 5,003,516'Ultrasonic probe and manufacture method for same'1991 4,995,711'Slide table'1991 4,931,483'Polymer/polyol composition, processes for making the same and a polyurethane therefrom'1990 4,820,743'Polymer/polyol composition, processes for making the same and polyurethane therefrom'1989 4,730,494'Method for examining a surface of a sample by means of ultrasound'1988 4,666,581'Apparatus for two-dimensional electrophoresis'1987 4,597,293'Scanning acoustic microscope'1986 4,577,504'Acoustic microscope'1986 4,563,900'Acoustic microscope'1986 4,563,898'Acoustic microscope'1986 4,510,810'Ultrasonic microscope'1985 4,511,998'Multielement acoustic transducer as well as a method of manufacturing the same and an acoustic imaging instrument'1985 4,487,069'Method of image display by ultrasonic microscope'1984 4,446,738'Acoustic scanning microscope'1984 4,433,461'Method of manufacturing an acoustic spherical lens'1984 4,394,824'Acoustic microscope'1983 4,386,530'Ultrasonic imaging equipment'1983 4,384,231'Piezoelectric acoustic transducer with spherical lens'1983 4,346,472'Method and apparatus for eliminating double bit errosion in a differential phase shift keying system'1982 4,345,156'Ionization chamber type X-ray detector'1982 4,219,730'Charge-particle energy analyzer'1980 4,163,168'Two-directional piezoelectric driven fine adjusting device'1979 4,135,088'Charged-particle analyzer'1979 4,126,782'Electrostatic charged-particle analyzer'1978 4,026,829'Flexible polyurethane foam'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to SANYO CHEMICAL IND LTD (4)· patent assignee history

1978–1991Patents assigned to HITACHI LTD (22)· patent assignee history

1978–1991Based in Hino, JP· patent location history

1982–2015Based in Yokohama, JP· patent location history

1991–1992Patents assigned to HITACHI CONSTRUCTION MACHINERY (5)· patent assignee history

1991Based in Takasaki, JP· patent location history

1992–1999Based in Kyoto, JP· patent location history

1994–2020Based in Tokyo, JP· patent location history

2003–2015Patents assigned to SHOWA DENKO KK (4)· patent assignee history

2014–2020Patents assigned to ISHIKAWA ISAO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	22	1978–1991
HITACHI CONSTRUCTION MACHINERY	5	1991–1992
SANYO CHEMICAL IND LTD	4	1977–1999
SHOWA DENKO KK	4	2003–2015
ISHIKAWA ISAOself	3	2014–2020

Locations

Location	Patents	Span
Hino, JP	21	1978–1991
Yokohama, JP	4	1982–2015
Tokyo, JP	2	1994–2020
Kyoto, JP	2	1992–1999
Takasaki, JP	2	1991