P

Inventor

SANO TETSUO

JP57 patents
⚠️ This page may combine multiple inventors who share the name “SANO TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINOLTA CO LTD

18 patents
US6541173B1Apr 1, 2003

Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agents

MINOLTA CO LTD22 citations92
US6338929B1Jan 15, 2002

Toner for developing an electrostatic latent image

MINOLTA CO LTD41 citations92
US5814428ASep 29, 1998

Toner for developing electrostatic latent image

MINOLTA CO LTD28 citations92
US6344302B1Feb 5, 2002

Developer for developing electrostatic latent images

MINOLTA CO LTD16 citations84
US6506530B1Jan 14, 2003

Color toner for developing electrostatic image, comprising first linear polyester and second non-linear polyester as binder resin

MINOLTA CO LTD12 citations74
US6475690B2Nov 5, 2002

Toner for developing an electrostatic image

MINOLTA CO LTD11 citations74
US6352808B1Mar 5, 2002

Electrostatic-latent-image developing toner and inorganic particles used for such a toner

MINOLTA CO LTD9 citations74
US6025107AFeb 15, 2000

Negatively chargeable toner for developing electrostatic latent images

MINOLTA CO LTD13 citations74
US5853940ADec 29, 1998

Toner for developing electrostatic latent image

MINOLTA CO LTD14 citations74
US5804350ASep 8, 1998

Negatively chargeable toner for developing electrostatic latent image

MINOLTA CO LTD10 citations74
US5792583AAug 11, 1998

Toner for developing electrostatic latent image

MINOLTA CO LTD13 citations74
US5776647AJul 7, 1998

Negatively chargeable toner for developing electrostatic latent image

MINOLTA CO LTD9 citations74
US5660964AAug 26, 1997

Developer containing two kinds of wax

MINOLTA CO LTD16 citations73
US5541030AJul 30, 1996

Toner for developing a digital image

MINOLTA CO LTD17 citations71
US6482561B1Nov 19, 2002

Toner used for developing electrostatic latent image

MINOLTA CO LTD3 citations63
US6335134B1Jan 1, 2002

Toner for an electrostatic latent image development

MINOLTA CO LTD4 citations63
US5863694AJan 26, 1999

Toner for developing electrostatic latent image with specific particle-size distribution

MINOLTA CO LTD5 citations62
US5958641ASep 28, 1999

Single component toner comprising specified polyester

MINOLTA CO LTD4 citations58

DAINIPPON SCREEN MFG

12 patents

TOSHIBA KK

11 patents

FUJITSU TEN LTD

4 patents

KONICA MINOLTA BUSINESS TECH

3 patents

TOKYO SHIBAURA ELECTRIC CO

1 patent

SANO TETSUO

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.