Inventor

Yakichi Higo

Inventor

Meguro-ku, JP

Overview

1989–2010

Patent span

Physics

Primary field (CPC G)

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 properties30%

A61BDiagnosis10%

A61FFilters implantable into blood vessels10%

C21DModifying the physical structure of ferrous metals10%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys10%

G07CTime or attendance registers10%

G07FCoin-freed or like apparatus10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to HIGO YAKICHI (3)· patent assignee history

1989Patents assigned to DAICEL CHEM (1)· patent assignee history

1989–1994Based in Meguro-ku, JP· patent location history

1989–1990Based in Tokyo, JP· patent location history

1990–1994Patents assigned to NISSAN MOTOR (3)· patent assignee history

1990Patents assigned to TOKYO INST OF TECHNOLOGY REASE (1)· patent assignee history

2010Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

2010Based in Yokohama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HIGO YAKICHIself	3	1989–1994
NISSAN MOTOR	3	1990–1994
DAICEL CHEM	1	1989
NIPPON STEEL CORP	1	2010
TOKYO INST OF TECHNOLOGY REASE	1	1990

Locations