Inventor

NIWAYAMA KEI

JP4 patents

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

TAKII MARIKO

2 patents

US10474051B2Nov 12, 2019

Carrier for developer of electrostatic latent image, two-component developer, replenishing developer, image forming apparatus, and toner stored unit

TAKII MARIKO0 citations47

US10031434B2Jul 24, 2018

Carrier and developer

TAKII MARIKO0 citations45

SEKI MASAHIRO

1 patent

US10254674B2Apr 9, 2019

Carrier for developer of electrostatic latent image, developer, and image forming apparatus

SEKI MASAHIRO0 citations48

NAGAYAMA MASASHI

1 patent

US10025214B2Jul 17, 2018

Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridge

NAGAYAMA MASASHI0 citations38