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Inventor

Hiroshi Ohtsu

Inventor
Fukushima, JP

Overview

9→
Patents
1979–2020
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer24%
A01KAnimal husbandry6%
B62BHand-propelled vehicles, e.g. hand carts or perambulators6%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load6%
C04BLime, magnesia6%
C12NMicroorganisms or enzymes6%
C12YEnzymes6%
G01KMeasuring temperature6%
G05BControl or regulating systems in general6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
10,773,935Conveying apparatus20207,094,947'Animals with high histamine productivity'20066,928,034'Optical disc apparatus and method for adjusting a servo of same'20056,845,067'Optical pickup position control method'20056,785,199'Drive device including a restart drive detection element'20046,577,094'Optical pickup position control method'20034,873,022'Electrically conductive paste, electronic circuit component and method for producing same'19894,308,571'Low temperature-sinterable dielectric composition and thick film capacitor using the same'19814,161,678'Servo-system'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to YOKOGAWA ELECTRIC WORKS LTD (1)· patent assignee history
1981–1989Patents assigned to HITACHI LTD (2)· patent assignee history
1981–1989Based in Mito, JP· patent location history
2003–2005Patents assigned to SONY COMPUTER ENTERTAINMENT INC (4)· patent assignee history
2003–2005Based in Fukushima, JP· patent location history
2005Based in Tokyo, JP· patent location history
2006Patents assigned to JAPAN SCIENCE & TECH CORP (1)· patent assignee history
2006Based in Miyagi, JP· patent location history
2020Patents assigned to TOSHIBA KK (1)· patent assignee history
2020Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY COMPUTER ENTERTAINMENT INC42003–2005
HITACHI LTD21981–1989
JAPAN SCIENCE & TECH CORP12006
TOSHIBA KK12020
YOKOGAWA ELECTRIC WORKS LTD11979
Locations
LocationPatentsSpan
Fukushima, JP32003–2005
Mito, JP21981–1989
Yokohama, JP12020
Miyagi, JP12006
Tokyo, JP12005