Inventor

Yoshikazu Hatsukano

Inventor

Kodaira, JP

Overview

7→

Patents

1976–2011

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

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

H03Kprimary

H03KPulse technique17%

G01RMeasuring electric variables11%

G11CStatic stores11%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering6%

G04CElectromechanical clocks or watches6%

G04FTime-interval measuring6%

G05FSystems for regulating electric or magnetic variables6%

G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner6%

H03FAmplifiers6%

PatentTitleYear

7,880,489'Printing of redistribution traces on electronic component'2011 7,694,246'Test method for yielding a known good die'2010 4,032,864'Electronic circuit having a misfet as an amplifying element'1977 4,031,456'Constant-current circuit'1977 3,987,437'Key switch signal multiplexer circuit'1976 3,969,717'Digital circuit to eliminate display flicker'1976 3,965,369'MISFET (Metal-insulator-semiconductor field-effect transistor) logical circuit having depletion type load transistor'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to HITACHI LTD (5)· patent assignee history

1976Based in Kodaira, JP· patent location history

1977Based in Hachioji, JP· patent location history

2010–2011Patents assigned to FORMFACTOR INC (2)· patent assignee history

2010Based in Minato-ku, JP· patent location history

2011Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	5	1976–1977
FORMFACTOR INC	2	2010–2011

Locations

Location	Patents	Span
Kodaira, JP	3	1976
Hachioji, JP	2	1977
Tokyo, JP	1	2011
Minato-ku, JP	1	2010