Inventor

Haruo Kawashima

Inventor
Tokyo, JP

Overview

30→
Patents
1977–2010
Patent span
Human necessities
Primary field (CPC A)

Patents· 30 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing24%
B63CLaunching, hauling-out, or dry-docking of vessels22%
A61FFilters implantable into blood vessels8%
Y10TTechnical subjects covered by former us classification8%
A44BButtons, pins, buckles, slide fasteners, or the like6%
A62BDevices, apparatus or methods for life-saving4%
C04BLime, magnesia4%
A41DOuterwear2%
B26BHand-held cutting tools not otherwise provided for2%
B28BShaping clay or other ceramic compositions2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to BRIDGESTONE TIRE CO LTD (1)· patent assignee history
1977–1995Based in Kodaira, JP· patent location history
1987–1994Patents assigned to TOSHIBA MONOFRAX (3)· patent assignee history
1987–1994Based in Narita, JP· patent location history
1995Patents assigned to BRIDGESTONE CORP (1)· patent assignee history
1999–2010Patents assigned to TABATA CO LTD (24)· patent assignee history
1999–2010Based in Tokyo, JP· patent location history
2000Based in Sumida-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TABATA CO LTD241999–2010
TOSHIBA MONOFRAX31987–1994
BRIDGESTONE CORP11995
BRIDGESTONE TIRE CO LTD11977
Locations
LocationPatentsSpan
Tokyo, JP241999–2010
Narita, JP31987–1994
Kodaira, JP21977–1995
Sumida-ku, JP12000