Inventor

Masahiko Sasaki

Inventor

Hachioji, JP

Overview

1986–2014

Patent span

Electricity

Primary field (CPC H)

Patents· 55 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television31%

A61BDiagnosis23%

G11BInformation storage based on relative movement between record carrier and transducer11%

G02BOptical elements, systems or apparatus9%

B41JTypewriters3%

F24FAir-conditioning2%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%

G06TImage data processing or generation, in general2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

B63BShips or other waterborne vessels1%

PatentTitleYear

8,727,971'Light-source driver for portable endoscope'2014 7,823,799'Heat-pump-type water heater'2010 7,160,014'Adjustment mechanism'2007 7,087,014'Endoscope system having an auxiliary lighting device'2006 6,614,481'Hood device for an image pickup apparatus'2003 6,256,050'Ink transfer printer'2001 6,236,414'Ink transfer printer'2001 6,145,976'Ink transfer printer'2000 5,958,114'Indoor unit of air-conditioner'1999 5,592,216'Endoscopic apparatus capable of storing image information for a plurality of frames'1997 5,485,056'Monitoring device'1996 5,481,298'Apparatus for measuring dimensions of objects'1996 5,467,606'Air conditioning apparatus capable of operating in cooling mode and heating mode'1995 5,408,265'Electronic endoscope system adaptable to different T.V. standards while utilizing a common light source'1995 5,402,269'Compound prism'1995 5,374,953'Electronic endoscope apparatus with signal validity monitor'1994 5,343,332'Apparatus for adjusting optical axis including a beam shaping prism'1994 5,341,246'Apparatus for adjusting an optical axis including plates on opposite sides of a beam shaping prism'1994 5,317,144'Wave front aberration measuring apparatus having means for adjusting position of collimator lens'1994 RE034504'Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears'1994 5,243,666'Static-image signal generation apparatus using fuzzy theory'1993 5,237,457'Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism'1993 5,223,970'Optical axis adjusting mechanism and method for optical information recording and reproducing device, and jig therefor'1993 5,223,983'Compound prism including interfaces with curvatures of the order of a laser wave length'1993 5,164,824'Image freezing signal-processing apparatus'1992 5,157,459'Wave front aberration measuring apparatus'1992 5,113,254'Electronic endoscope apparatus outputting ternary drive signal'1992 5,034,888'Electronic endoscope apparatus having different image processing characteristics for a moving image and a still image'1991 5,016,975'Electronic endoscope provided with a sample-hold circuit'1991 4,979,035'Electronic endoscope apparatus with CCD output circuit of positive polarity'1990 4,967,269'Endoscope automatic light control apparatus and endoscope apparatus making use of the same'1990 4,959,710'Electronic endoscope whereby the position of the insertable part can be known by a transmitted light outside a body'1990 4,956,833'Objective driving device for an optical disk apparatus'1990 4,951,135'Electronic-type endoscope system having capability of setting AGC variation region'1990 4,933,758'Signal processing apparatus with a movement detecting device and an outline enhancement device'1990 4,933,760'Movement detecting circuit'1990 4,933,757'Electronic endoscope apparatus provided with a movement detecting means'1990 4,928,172'Endoscope output signal control device and endoscope apparatus making use of the same'1990 4,926,258'Electronic endoscope apparatus capable of driving solid state imaging devices having different characteristics'1990 4,901,143'Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears'1990 4,894,715'Electronic endoscope'1990 4,891,695'Electronic endoscope apparatus provided with a plurality of endoscopes having solid state imaging devices with at least one identical pixel forming element'1990 4,891,697'Electronic endoscope having function of effecting enlargement/reduction processing'1990 4,887,153'Electronic endoscope apparatus using horizontal transfer clock of fixed frequency'1989 4,868,647'Electronic endoscopic apparatus isolated by differential type drive means'1989 4,862,873'Stereo endoscope'1989 4,816,909'Video endoscope system for use with different sizes of solid state devices'1989 4,781,545'Rotary compressor with sound suppression tubular cavity section'1988 4,727,418'Image processing apparatus'1988 4,727,417'Endoscope video apparatus'1988 4,719,508'Endoscopic photographing apparatus'1988 4,706,118'Control circuit for video endoscope'1987 4,653,610'Apparatus for automatically applying lubrication in lifting device'1987 4,625,236'Light source means for endoscope employing solid state imaging device'1986 4,566,398'Anchoring apparatus'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1997Patents assigned to OLYMPUS OPTICAL CO (31)· patent assignee history

1986–1996Patents assigned to MITSUI SHIPBUILDING ENG (3)· patent assignee history

1986–1997Based in Hachioji, JP· patent location history

1986–1996Based in Tamano, JP· patent location history

1987–2000Based in Tokyo, JP· patent location history

1988–1999Patents assigned to TOSHIBA KK (3)· patent assignee history

1988–2010Based in Fuji, JP· patent location history

1990–2001Patents assigned to ASAHI OPTICAL CO LTD (12)· patent assignee history

2001–2014Based in Chiba, JP· patent location history

2003–2007Patents assigned to PENTAX CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	31	1986–1997
ASAHI OPTICAL CO LTD	12	1990–2001
MITSUI SHIPBUILDING ENG	3	1986–1996
PENTAX CORP	3	2003–2007
TOSHIBA KK	3	1988–1999

Locations

Location	Patents	Span
Hachioji, JP	25	1986–1997
Tokyo, JP	15	1987–2000
Chiba, JP	6	2001–2014
Fuji, JP	4	1988–2010
Tamano, JP	3	1986–1996