Inventor

Tomonori Ishikawa

Inventor
Hachioji, JP

Overview

34→
Patents
1988–2020
Patent span
Physics
Primary field (CPC G)

Patents· 34 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus21%
A61BDiagnosis16%
H04NPictorial communication, e.g. television10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
H10DInorganic electric semiconductor devices7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
G03GElectrography3%
H01FMagnets3%
B29CShaping or joining of plastics1%
PatentTitleYear
10,634,893Medical observation apparatus and medical observation system202010,561,304Medical stereoscopic observation device, medical stereoscopic observation method, and program202010,106,058Vehicle seat201810,085,803Sterile drape201810,067,778Management system, recording medium and method for managing virtual machines20189,162,633'Decoration part'20158,663,906'Silicon-containing composition for fine pattern formation and method for fine pattern formation using the same'20148,629,900'3D endoscope'20148,501,394'Superfine-patterned mask, method for production thereof, and method employing the same for forming superfine-pattern'20138,476,607'Charged particle beam drawing apparatus and article manufacturing method'20138,265,734'Imaging and displaying system with imaging unit and display unit which are supported by movable arm'20128,235,383'Discharge device and image forming apparatus'20128,121,666'Image observation apparatus'20128,049,773'Stereoscopic observation system'20117,768,702'Medical stereo observation system'20107,088,504'Surgical microscope'20066,940,382'Resin composition and ignition coil device using the same'2005D0488823'Operation microscope'20046,318,864'Sterile instruments cover for use on surgical microscopes'20016,308,024'Dust protector for image exposure device and image forming apparatus utilizing the same'20016,208,231'Stick-type ignition coil having improved structure against crack or dielectric discharge'20015,964,622'Molded article having electrical connection and method for molding same'19995,748,366'Surgical microscope'19985,654,116'Hologram'19975,552,929'Stereomicroscope'19965,276,340'Semiconductor integrated circuit having a reduced side gate effect'19945,227,914'Stereomicroscope including a single variable magnification optical system'19935,122,904'Operating microscope with drape and suction means for removing air from the drape'19925,118,637'Method of fabricating HEMT device with selective etching of gallium arsenide antimonide'19925,048,941'Surgical miscroscope with a modular stand'19915,023,675'Semiconductor device'19914,871,245'Surgical microscope'19894,833,508'High electron mobility device with intrinsic AlAs/GaAs superlattice separator region'19894,734,750'High electron mobility heterojunction semiconductor devices'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2018Patents assigned to FUJITSU LTD (6)· patent assignee history
1988–1994Based in Fujisawa, JP· patent location history
1989–2001Patents assigned to OLYMPUS OPTICAL CO (7)· patent assignee history
1989–2020Based in Tokyo, JP· patent location history
1991–1996Based in Hachiouji, JP· patent location history
1997–2001Based in Anjo, JP· patent location history
1998–2012Based in Hachioji, JP· patent location history
1999–2005Patents assigned to DENSO CORP (3)· patent assignee history
2004–2012Patents assigned to OLYMPUS CORP (4)· patent assignee history
2012–2014Patents assigned to ISHIKAWA TOMONORI (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISHIKAWA TOMONORIself72012–2014
OLYMPUS OPTICAL CO71989–2001
FUJITSU LTD61988–2018
OLYMPUS CORP42004–2012
DENSO CORP31999–2005
Locations
LocationPatentsSpan
Hachioji, JP61998–2012
Tokyo, JP51989–2020
Hachiouji, JP41991–1996
Fujisawa, JP41988–1994
Anjo, JP31997–2001