Inventor

Michihisa Suga

Inventor

Tokyo, JP

Overview

19→

Patents

1980–2001

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 as inventor

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

B41Jprimary

B41JTypewriters29%

G06VImage or video recognition or understanding15%

Y10TTechnical subjects covered by former us classification9%

F16KValves6%

G03GElectrography6%

H02NElectric machines not otherwise provided for6%

A61BDiagnosis3%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%

C04BLime, magnesia3%

F15CFluid-circuit elements predominantly used for computing or control purposes3%

PatentTitleYear

6,234,031'Fingerprint detection apparatus'2001 6,154,580'Tactile sensor and fingerprint sensor using same'2000 6,150,665'Fingerprint detecting device having a fluid layer sealed in a gap'2000 6,115,483'Fingerprint detecting device and method'2000 6,011,860'Small reliable image input apparatus incorporated in finger-print collation system of personal identification'2000 5,712,524'Piezoelectric rotation driving apparatus'1998 5,233,258'Ultrasonic sheet feeder, low-profile ultrasonic motor, and method of driving the same'1993 4,882,596'On demand type ink-jet print head having fluid control means'1989 4,770,740'Method of manufacturing valve element for use in an ink-jet printer head'1988 4,766,671'Method of manufacturing ceramic electronic device'1988 4,672,397'On-demand type ink-jet print head having an air flow path'1987 4,628,330'Ink-jet recording apparatus'1986 4,514,742'Printer head for an ink-on-demand type ink-jet printer'1985 4,468,679'On-demand type ink-jet printer'1984 4,435,721'Print head for an on-demand type ink-jet printer'1984 4,403,223'Ink-on-demand type ink-jet printer'1983 4,281,333'Ink-on-demand type ink-jet printer with coordinated variable size drops with variable charges'1981 4,221,855'Electrophotographic plate produced by firing glass binder containing inorganic photoconductor and high melting point inorganic additive in non-reducing atmosphere'1980 4,205,322'Electrostatic method of simultaneously transferring to a recording medium a toner image having different polarities'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to NIPPON ELECTRIC CO (7)· patent assignee history

1980–2001Based in Tokyo, JP· patent location history

1986Patents assigned to NEC (1)· patent assignee history

1987–2001Patents assigned to NEC CORP (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	11	1987–2001
NIPPON ELECTRIC CO	7	1980–1985
NEC	1	1986

Locations

Location	Patents	Span
Tokyo, JP	19	1980–2001