Inventor

SUGIMOTO SHOHICHI

JP6 patents

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

RICOH KK

4 patents

US6432590B1Aug 13, 2002

Electrophotographic toner and image forming method using the toner

RICOH KK72 citations94

US6274282B1Aug 14, 2001

Full-color electrophotographic image formation method, color toners for use in the same, and color image formed by use of the color toners

RICOH KK9 citations72

US5998073ADec 7, 1999

Dry toner for electrophotography

RICOH KK11 citations72

US6268098B1Jul 31, 2001

Full-color electrophotographic image formation method, color toners for use in the same, and color image formed by use of the color toners

RICOH KK3 citations61

OGINO KOHTAROH

1 patent

US11036156B2Jun 15, 2021

Toner, developer, toner stored unit, image forming apparatus, image forming method, and printed matter producing method

OGINO KOHTAROH0 citations55

SAKATA KOICHI

1 patent

US10234783B2Mar 19, 2019

Carrier, developer, image forming apparatus, developer stored unit, and image forming method

SAKATA KOICHI0 citations50