Inventor

Yoshiro Matsumoto

Inventor

Osaka, JP

Overview

7→

Patents

1976–2006

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 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 properties20%

Y10TTechnical subjects covered by former us classification20%

B21BRolling of metal13%

C21DModifying the physical structure of ferrous metals13%

B29CShaping or joining of plastics7%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%

F16CShafts7%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

7,025,870'Method for analyzing the oxygen concentration of a gas'2006 6,024,922'Method of controlling an oxygen analyzer of the Hersch galvanic type'2000 5,547,450'Hearth roller with suppressed heat crown'1996 4,960,568'Oxygen analyzer'1990 4,860,416'Variable-crown roll'1989 4,344,801'Heavy thick high-strength casting having improved weldability and impact properties'1982 3,966,390'Mold for polyimide, polyamide, or polyamide-imide resin which has noble metal layer on its surface to be in contact with resin'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to HITACHI CHEMICAL CO LTD (1)· patent assignee history

1976Based in Ibaragi, JP· patent location history

1982–1996Patents assigned to SUMITOMO METAL IND (3)· patent assignee history

1982–2006Based in Osaka, JP· patent location history

1989Based in Nishinomiya, JP· patent location history

1990–2006Patents assigned to OSAKA OXYGEN IND (3)· patent assignee history

1990–2000Based in Funabashi, JP· patent location history

1996Based in Sanda, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OSAKA OXYGEN IND	3	1990–2006
SUMITOMO METAL IND	3	1982–1996
HITACHI CHEMICAL CO LTD	1	1976

Locations

Location	Patents	Span
Osaka, JP	2	1982–2006
Funabashi, JP	2	1990–2000
Sanda, JP	1	1996
Nishinomiya, JP	1	1989
Ibaragi, JP	1	1976