Inventor

Masao Koyama

Inventor

Yokohama, JP

Overview

13→

Patents

1976–2001

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 13 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

Y10TTechnical subjects covered by former us classification13%

C04BLime, magnesia6%

C30BSingle-crystal growth6%

F23GCremation furnaces6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%

B29CShaping or joining of plastics3%

B29DProducing particular articles from plastics or from substances in a plastic state3%

PatentTitleYear

6,332,909'Processing apparatus, processing system and processing method'2001 6,172,275'Method and apparatus for pyrolytically decomposing waste plastic'2001 5,245,937'Method and apparatus for burning combustible solid residue from chemical plant'1993 4,961,833'Field-effect transistor-type semiconductor sensor'1990 4,758,325'Ion selective electrode and flow type ion sensor using the same'1988 4,651,310'Polymeric piezoelectric ultrasonic probe'1987 4,624,735'Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members'1986 4,619,739'Method and apparatus for measuring halogen ion concentration'1986 4,424,193'Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members'1984 4,409,088'Regeneration method of ion-selective electrode, and ion-selective electrode and ion-concentration analyzer containing means adapted to practice said method'1983 4,388,166'Electrochemical measuring apparatus provided with an enzyme electrode'1983 3,939,349'Method and device for classifying tires'1976 3,935,056'Apparatus for splicing parallelogrammatic pieces of rubber cloth without overlap'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history

1976Based in Hatano, JP· patent location history

1983Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history

1983–2001Based in Yokohama, JP· patent location history

1984–1986Patents assigned to TOSHIBA CERAMICS CO (2)· patent assignee history

1984–1986Based in Oguni, JP· patent location history

1986–2001Patents assigned to TOSHIBA KK (6)· patent assignee history

1990Based in Kanagawa, JP· patent location history

1993Patents assigned to MITSUI PETROCHEMICAL IND (1)· patent assignee history

1993–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	6	1986–2001
TOKYO SHIBAURA ELECTRIC CO	2	1983
TOSHIBA CERAMICS CO	2	1984–1986
FUJI ELECTRIC CO LTD	1	1976
MITSUI PETROCHEMICAL IND	1	1993

Locations

Location	Patents	Span
Yokohama, JP	6	1983–2001
Tokyo, JP	2	1993–2001
Oguni, JP	2	1984–1986
Hatano, JP	2	1976
Kanagawa, JP	1	1990