Inventor

Michio Hisanaga

Inventor

Nagoya, JP

Overview

5→

Patents

1989–1996

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus20%

B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool10%

B23KSoldering or unsoldering10%

C01GCompounds containing metals not covered by subclasses c01d or c01f10%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%

C04BLime, magnesia10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

G06KGraphical data reading10%

H05HPlasma technique10%

PatentTitleYear

5,574,598'Varifocal lens'1996 5,498,868'Optical data reader capable of quickly changing a condensing position of a light beam'1996 5,397,420'Fine structure forming device'1995 5,357,073'Electrical discharge machine'1994 4,832,893'Method for producing a PLZT compound'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to NIPPON DENSO CO (5)· patent assignee history

1989Patents assigned to AGENCY SCIENCE & TECH (1)· patent assignee history

1989Based in Anjo, JP· patent location history

1994–1996Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON DENSO CO	5	1989–1996
AGENCY SCIENCE & TECH	1	1989

Locations

Location	Patents	Span
Nagoya, JP	4	1994–1996
Anjo, JP	1	1989