Inventor

Kiyoshi Tsuji

Inventor

Osaka, JP

Overview

1980–2011

Patent span

Chemistry

Primary field (CPC C)

Patents· 67 as inventor

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

C07Dprimary

C07DHeterocyclic compounds34%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%

H04NPictorial communication, e.g. television17%

A61BDiagnosis13%

G02BOptical elements, systems or apparatus3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

C07CAcyclic or carbocyclic compounds2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%

PatentTitleYear

8,038,605'Bending control device'2011 8,029,438'Endoscope and hydrophilic cap'2011 7,837,616'Endoscope,system, and method for detecting relative position of endoscope and markers placed at target area'2010 7,317,107'Imidazole 4-carboxamide compounds with adenosine deaminase inhibiting activity'2008 7,064,144'Imidazole derivatives as adenosine deaminase inhibitors'2006 6,908,940'Imidazole compounds and their use as adenosine deaminase inhibitors'2005 6,596,738'Heterocyclic compound, composition and method for inhibiting adenosine deaminase'2003 6,359,145'Imidazole compounds'2002 6,319,197'Endoscope system having reduced noise emission/permeation'2001 5,739,130'Heterotricyclic derivatives, process for their preparation and pharmaceutical compositions containing them'1998 5,670,533'Pyrazole derivatives, processes for preparation thereof and pharmaceutical composition comprising the same'1997 5,583,135'Heterotricyclic derivatives, process for their preparation and pharmaceutical compositions containing them'1996 5,571,810'Thiophene derivatives'1996 5,555,020'Solid-state imaging apparatus'1996 5,550,147'Pyrazole derivatives, processes for preparation thereof and pharmaceutical composition comprising the same'1996 5,543,831'Endoscope system having reduced noise emission/permeation'1996 5,430,475'Electronic endoscope apparatus having micro array on photoelectric conversion surface'1995 5,412,478'Endoscope system which changes over switches in interlocking relation to each other within video processor and image display apparatus to perform display of endoscope image'1995 5,402,769'Endoscope apparatus which time-sequentially transmits sensor signals with image signals during a blanking period'1995 5,335,662'Image pickup system comprising signal processing device which uses exclusive adaptor in probes different in image pickup system from each other'1994 5,291,010'Solid state imaging device having a chambered imaging chip corner'1994 5,258,834'Electronic endoscope for producing a color image by extracting a plurality of field picture images in one field period without changing a horizontal clock rate'1993 5,220,198'Solid state imaging apparatus in which a solid state imaging device chip and substrate are face-bonded with each other'1993 5,134,142'Pyrazole derivatives, and pharmaceutical composition comprising the same'1992 5,083,128'Low observability aperture design for expendable countermeasures devices'1992 5,068,719'Endoscope photometric apparatus'1991 5,049,989'Method and circuit for reducing the influence of a bright image area in an endoscope image signal'1991 5,034,417'New alkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the same'1991 5,010,395'Solid state imaging apparatus'1991 4,993,405'Imaging apparatus'1991 4,923,998'Cephem and cepham compounds and processes for preparation thereof'1990 4,885,297'Thiazolopyridine compounds, processes for the preparation thereof and pharmaceutical composition comprising the same'1989 4,884,134'Video endoscope apparatus employing device shutter'1989 4,882,619'High resolution image pickup system with color dispersion means'1989 4,868,646'Image pickup apparatus for an electronic endoscope'1989 4,866,091'Alkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the same'1989 4,860,095'Video camera apparatus and video endoscope apparatus with means for compensating image errors caused by differing cable lengths'1989 4,860,091'Video image processing apparatus for emphasizing color of an image by enhancing saturation'1989 4,841,062'New cephem and cepham compounds and processes for preparation thereof'1989 4,814,859'Video image processing apparatus for emphasizing color of an image by expanding hue and saturation'1989 4,803,550'Imaging apparatus having illumination means'1989 4,797,399'Piperazine compounds and antithrombotic pharmaceutical composition comprising the same'1989 4,698,337'Cephem compounds and processes for preparation thereof'1987 4,643,991'Peptide elastase inhibitors and methods'1987 4,604,456'Cephem and cepham compounds'1986 4,598,147'Cephem compounds and processes for preparation thereof'1986 4,563,522'Cephem compounds'1986 4,563,524'Cephem compounds and processes for preparation thereof'1986 4,507,293'Antimicrobial cephem compounds'1985 4,500,709'Thiinyl and oxothiolyl derivatives'1985 4,496,562'7-Substituted-3-cephem-4-carboxylic acid esters'1985 4,464,369'7-Acylamino-3-cephem-4-carboxylic acid derivatives and pharmaceutical compositions'1984 4,463,002'Syn-isomers of 7-substituted-3-cephem-4-carboxylic acid esters'1984 4,460,583'Cephem compounds'1984 4,447,430'Cephem compounds'1984 4,443,443'Cephem compounds'1984 4,427,674'Cephem compounds'1984 4,425,341'Cephem compounds'1984 4,409,217'Cephem compounds'1983 4,400,379'Cephem compounds'1983 4,399,133'Cephem compounds'1983 4,393,059'Cephem compounds'1983 4,372,952'Cephem compounds'1983 4,371,531'Cephalosporin compounds'1983 4,294,960'7-[2-(2-Aminothiazol-4-yl)-2-cyclopentyloxyiminoacetamido]-3-cephem-4-car boxylic acid (synisomer)'1981 4,284,631'7-Substituted cephem compounds and pharmaceutical antibacterial compositions containing them'1981 4,242,510'Cephalosporin compounds and processes for the preparation thereof'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2005Patents assigned to FUJISAWA PHARMACEUTICAL CO (39)· patent assignee history

1980–2008Based in Osaka, JP· patent location history

1985–2003Based in Kishiwada, JP· patent location history

1989–2001Patents assigned to OLYMPUS OPTICAL CO (21)· patent assignee history

1989–1991Based in Tanashi, JP· patent location history

1991–2001Based in Musashino, JP· patent location history

2006–2008Patents assigned to ASTELLAS PHARMA INC (2)· patent assignee history

2010–2011Patents assigned to OLYMPUS CORP (2)· patent assignee history

2010–2011Based in Kunitachi, JP· patent location history

2011Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJISAWA PHARMACEUTICAL CO	39	1980–2005
OLYMPUS OPTICAL CO	21	1989–2001
ASTELLAS PHARMA INC	2	2006–2008
OLYMPUS CORP	2	2010–2011
OLYMPUS MEDICAL SYSTEMS CORP	2	2011

Locations

Location	Patents	Span
Osaka, JP	25	1980–2008
Kishiwada, JP	13	1985–2003
Musashino, JP	11	1991–2001
Tanashi, JP	5	1989–1991
Kunitachi, JP	3	2010–2011