Inventor

Yoshitane Watanabe

Inventor

Funabashi, JP

Overview

45→

Patents

1986–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 45 as inventor

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

C01Pprimary

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%

C01GCompounds containing metals not covered by subclasses c01d or c01f11%

B82YSpecific uses or applications of nanostructures11%

Y10TTechnical subjects covered by former us classification8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C01BNon-metallic elements5%

G02BOptical elements, systems or apparatus5%

C03CChemical composition of glasses, glazes or vitreous enamels4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

PatentTitleYear

6,713,170'Hard coating material and film comprising the same'2004 6,632,489'Moniliform silica sol, process for producing the same, and ink-jet recording medium'2003 6,537,667'Electro-conductive oxide particle and process for its production'2003 6,398,827'Polishing composition'2002 6,296,943'Method for producing composite sol, coating composition, and optical element'2001 6,291,535'Silica-magnesium fluoride hydrate composite sols and process for their preparation'2001 6,093,749'Anhydrous zinc antimonate sol and method for producing the same'2000 6,040,372'Hydrated zinc stannate sols, coating compositions and optical elements'2000 6,001,164'Hydrated zinc stannate sols, coating compositions and optical elements'1999 5,998,090'High optical density ultra thin organic black matrix system'1999 5,989,391'Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process'1999 5,989,515'Process for producing an acidic aqueous alumina sol'1999 5,906,679'Coating compositions employing zinc antimonate anhydride particles'1999 5,891,565'Sol and fine powder of sodium magnesium fluoride and processes for their production'1999 5,891,362'Hydrated zinc stannate sols, coating compositions and optical elements'1999 5,861,112'Electro-conductive oxide particle and processes for its production'1999 5,780,201'Ultra thin photolithographically imageable organic black matrix coating material'1998 5,766,512'Zinc antimonate anhydride and method for producing same'1998 5,756,009'Process for the production of an electro-conductive oxide particle'1998 5,707,552'Zinc antimonate anhydride and method for producing same'1998 5,667,725'Sol and fine powder of sodium magnesium fluoride and processes for their production'1997 5,597,512'Method for preparing elongated-shaped silica sol'1997 5,582,909'Electro-conductive oxide particle and processes for its production'1996 5,552,083'Sol and fine powder of sodium magnesium fluoride and processes for their production'1996 5,472,797'Optical elements having cured coating film'1995 5,460,738'Modified stannic oxide-zirconium oxide composite sol and process for preparing the same'1995 5,366,545'Coating compositions'1994 5,221,497'Elongated-shaped silica sol and method for preparing the same'1993 5,196,177'Production of stable aqueous silica sol'1993 5,190,700'Flame retardant for halogen-containing vinyl resins'1993 5,188,667'Tungstic oxide-stannic oxide composite sol and method of preparing the same'1993 5,100,581'Method of preparing high-purity aqueous silica sol'1992 5,094,691'Tungstic oxide-stannic oxide composite sol and method of preparing the same'1992 5,091,009'Coating composition and a process for manufacturing the same'1992 4,988,505'Deodorizer'1991 4,904,304'Chemical grout for ground injection and method for accretion'1990 4,840,705'Papermaking method'1989 4,770,812'Process for preparing colloidal sols of antimony pentoxide in organic solvents'1988 4,770,813'Process for preparing stable colloidal sols of antimony pentoxide in organic solvents'1988 4,769,076'Binders for manufacture of precision casting molds'1988 4,769,075'Binder for manufacture of precision casting mold'1988 4,731,198'Positively charged antimony pentoxide sol and preparation thereof'1988 4,608,198'Flame retardant for halogen-containing vinyl resins'1986 4,589,997'Process for preparing colloidal solution of antimony pentoxide'1986 4,581,404'Flame retarded resin composition'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2004Patents assigned to NISSAN CHEMICAL IND LTD (44)· patent assignee history

1986–1999Based in Tokyo, JP· patent location history

1988Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history

1988–2003Based in Funabashi, JP· patent location history

1994–1995Patents assigned to HOYA CORP (2)· patent assignee history

1998–1999Patents assigned to BREWER SCIENCE INC (2)· patent assignee history

2003–2004Based in Sodegaura, JP· patent location history

2004Patents assigned to NIPPON KAYAKU KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN CHEMICAL IND LTD	44	1986–2004
BREWER SCIENCE INC	2	1998–1999
HOYA CORP	2	1994–1995
TOYOTA MOTOR CO LTD	2	1988
NIPPON KAYAKU KK	1	2004

Locations

Location	Patents	Span
Funabashi, JP	33	1988–2003
Tokyo, JP	10	1986–1999
Sodegaura, JP	2	2003–2004