Inventor

Hiroaki Shimozono

Inventor

Tokyo, JP

Overview

14→

Patents

1989–2009

Patent span

Physics

Primary field (CPC G)

Patents· 14 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 transducer29%

G01BMeasuring length, thickness or similar linear dimensions18%

G02BOptical elements, systems or apparatus18%

G01SRadio direction-finding12%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices12%

A61BDiagnosis6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

PatentTitleYear

7,599,128'Imaging lens'2009 7,283,452'Objective lens having two aspheric surfaces and a phase shifter and optical device including the same'2007 6,556,534'Objective lens and optical device'2003 6,285,645'Optical device'2001 6,097,691'Optical device for recording or reading data to an optical disk'2000 5,835,473'Optical pick-up, optical data recording apparatus and objective lens for optical data recording material'1998 5,475,512'Head-up display and a combiner used to control diffraction of light including a hologram with a half width between 200-400 nm'1995 5,042,938'Apparatus for measuring length of visual line length, depth of anterior chamber, thickness of crystal lens, etc.'1991 4,986,653'Light wave range finder'1991 4,973,153'Method and apparatus for finding range'1990 4,941,744'Integrated-photocircuit interferometer'1990 4,909,629'Light interferometer'1990 4,838,693'Method and apparatus for setting a gap between first and second objects to a predetermined distance'1989 4,811,062'Method for aligning first and second objects relative to each other and apparatus for practicing this method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to TOKYO OPTICAL (3)· patent assignee history

1989Patents assigned to TOSHIBA KK (2)· patent assignee history

1989–2001Based in Tokyo, JP· patent location history

1990–1991Patents assigned to TOPCON CORP (4)· patent assignee history

1995–2009Patents assigned to ASAHI GLASS CO LTD (7)· patent assignee history

1995–2007Based in Yokohama, JP· patent location history

2009Based in Koriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI GLASS CO LTD	7	1995–2009
TOPCON CORP	4	1990–1991
TOKYO OPTICAL	3	1989–1990
TOSHIBA KK	2	1989

Locations

Location	Patents	Span
Tokyo, JP	8	1989–2001
Yokohama, JP	5	1995–2007
Koriyama, JP	1	2009