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Inventor

Yutaka Yoshii

Inventor
Chiba, JP

Overview

8→
Patents
1986–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
B22DCasting of metals8%
C01BNon-metallic elements8%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
C04BLime, magnesia8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C22CAlloys8%
H03FAmplifiers8%
H04BTransmission8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
PatentTitleYear
D0756989'Optical disk recorder'20167,679,441'High frequency power amplifier'20105,458,670'Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder'19955,449,667'Amidothiophosphate derivative and insecticide, nematocide and acaricide containing the same as active ingredient'19955,037,782'Method of making a semiconductor device including via holes'19914,985,689'Microwave semiconductor switch'19914,780,299'Method for producing aluminum nitride powder'19884,582,531'Method of heating a molten steel in a tundish for a continuous casting apparatus'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Patents assigned to KAWASAKI STEEL CO (3)· patent assignee history
1986–1995Based in Chiba, JP· patent location history
1991–2010Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1991Based in Itami, JP· patent location history
1995Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1995Based in Toyonaka, JP· patent location history
2010Based in Tokyo, JP· patent location history
2016Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
2016Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO31986–1995
MITSUBISHI ELECTRIC CORP31991–2010
PANASONIC IP MAN CO LTD12016
SUMITOMO CHEMICAL CO11995
Locations
LocationPatentsSpan
Chiba, JP31986–1995
Shiga, JP12016
Tokyo, JP12010
Toyonaka, JP11995
Itami, JP11991