Inventor

Masao Obama

Inventor

Yokosuka, JP

Overview

24→

Patents

1984–2007

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

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

B25Jprimary

B25JManipulators16%

Y10TTechnical subjects covered by former us classification14%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%

G01BMeasuring length, thickness or similar linear dimensions8%

G08BSignalling systems, e.g. personal calling systems8%

H01FMagnets8%

H04NPictorial communication, e.g. television8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B42DBooks4%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%

PatentTitleYear

7,227,354'Magnetic material amount detecting apparatus'2007 7,208,946'Magnetic material detecting apparatus'2007 RE039037'Thickness detecting caliper for sheet material having elastic arms with printed coils'2006 7,012,424'Magnetic material detecting apparatus'2006 7,011,307'Paper sheet detection apparatus'2006 6,869,700'Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber'2005 6,731,111'Validity determination using magnetic ink having magnetic powders with different Curie temperatures'2004 6,610,425'Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber'2003 6,545,466'MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MANUFACTURING METHOD FOR MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MAGNETIC INK FOR VALIDITY DETERMINATION, PRINTING MEMBER FOR VALIDITY DETERMINATION, DETECTING DEVICE FOR PRINTING MEMBER FOR VALIDITY DETERMINATION, AND VALIDITY DETERMINATION DEVICE'2003 6,293,539'Rotating or pivoting apparatus and medium feeding apparatus'2001 6,175,235'Thickness detecting caliper for sheet material having elastic arms with printed coils'2001 5,567,882'Pressure sensor using a field emission cold cathode'1996 5,373,747'Robot hand and robot'1994 5,307,447'Control system of multi-joint arm robot apparatus'1994 5,194,806'Strain sensor including an amorphous magnetic metal member, and a method of producing the strain sensor'1993 5,165,841'Control system of multi-joint arm robot apparatus'1992 5,049,028'Control system of multi-joint arm robot apparatus'1991 4,963,818'Current sensor having an element made of amorphous magnetic metal'1990 4,920,806'Strain gage'1990 4,907,462'Torque sensor'1990 4,831,893'Joint device'1989 4,744,719'Control system of multi-joint arm robot apparatus'1988 4,631,689'Multi-joint arm robot apparatus'1986 4,480,495'Joint device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1991Patents assigned to TOKYO SHIBAURA ELECTRIC CO (4)· patent assignee history

1984–2007Based in Yokosuka, JP· patent location history

1989–2007Patents assigned to TOSHIBA KK (20)· patent assignee history

2003–2005Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	20	1989–2007
TOKYO SHIBAURA ELECTRIC CO	4	1984–1991

Locations

Location	Patents	Span
Yokosuka, JP	20	1984–2007
Kanagawa, JP	4	2003–2005