Inventor

Yutaka Shio

Inventor

Yokohama, JP

Overview

1998–2008

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G03Gprimary

G03GElectrography50%

H04NPictorial communication, e.g. television20%

B41JTypewriters10%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock5%

G02BOptical elements, systems or apparatus5%

G06KGraphical data reading5%

G11BInformation storage based on relative movement between record carrier and transducer5%

PatentTitleYear

7,391,682'Optical disk system with improved signal regulation capability'2008 6,282,396'Color image forming apparatus and method of obtaining color images with decreased image positional deviation'2001 6,184,910'Color image forming apparatus with polygonal mirror rotation phase control'2001 6,128,459'Color image forming apparatus and method of obtaining color images with decreased image positional deviation'2000 6,118,557'Color image forming apparatus'2000 5,963,240'Deflecting mirror adjusting device for an image forming apparatus'1999 5,962,783'Apparatus for detecting rotational speed'1999 5,875,380'Image forming apparatus eliminating influence of fluctuation in speed of a conveying belt to correction of offset in color registration'1999 5,872,586'Apparatus for registration of plural image in an image forming apparatus'1999 5,828,926'Registration control for an image forming apparatus having an intermediate transfer belt'1998 5,821,970'Color image forming apparatus'1998 5,799,228'Image forming apparatus which prevents adverse affects from heating elements'1998 5,737,665'Apparatus for calibrating toner density for color images'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2008Patents assigned to RICOH KK (13)· patent assignee history

1998–2001Based in Yokohama, JP· patent location history

1999–2008Based in Tottori, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	13	1998–2008

Locations

Location	Patents	Span
Yokohama, JP	9	1998–2001
Tottori, JP	4	1999–2008