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Inventor

Yoshiharu Kawashima

Inventor
Tokyo, JP

Overview

5→
Patents
1985–2003
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes30%
Y10TTechnical subjects covered by former us classification30%
A61KPreparations for medical, dental or toiletry purposes10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
A61QSpecific use of cosmetics or similar toiletry preparations10%
H01HElectric switches10%
PatentTitleYear
6,632,488'Ink jet recording material'20035,856,001'Ink jet recording medium'19995,759,673'Ink jet recording sheet'19985,709,853'Method of treatment of atopic disease'19984,527,023'Small-sized rotary switch'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to NIHON KAIHEIKI IND CO LTD (1)· patent assignee history
1985–2003Based in Tokyo, JP· patent location history
1998Patents assigned to NEW OJI PAPER CO LTD (1)· patent assignee history
1998Patents assigned to TORAY INDUSTRIES (1)· patent assignee history
1998Based in Solta, JP· patent location history
1998Based in Kanagawa, JP· patent location history
1999–2003Patents assigned to OJI PAPER CO (2)· patent assignee history
1999Based in Soka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OJI PAPER CO21999–2003
NEW OJI PAPER CO LTD11998
NIHON KAIHEIKI IND CO LTD11985
TORAY INDUSTRIES11998
Locations
LocationPatentsSpan
Tokyo, JP21985–2003
Soka, JP11999
Solta, JP11998
Kanagawa, JP11998