HR

Hiroshi Rokugawa

OD Oki Data: 4 patents #186 of 635Top 30%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #912,618 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12332587 Image formation apparatus, image formation method, and image formation program Michiaki Haginoya 2025-06-17
9921527 Image forming apparatus that uses temperature values to control transfer voltage applied to transfer unit of the apparatus 2018-03-20
9618882 Image formation apparatus that changes a voltage to secondary transfer units based on arrangement of image formation units 2017-04-11
9274458 Image formation device 2016-03-01
9207586 Image forming device 2015-12-08