Inventor

Masaki Asano

Inventor

Amagasaki, JP

Overview

23→

Patents

1993–2013

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

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

G03Gprimary

G03GElectrography48%

B41JTypewriters14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

A61BDiagnosis3%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%

G01SRadio direction-finding3%

H04NPictorial communication, e.g. television3%

H05FStatic electricity3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

8,531,089'Array-type ultrasonic vibrator'2013 6,682,170'Image forming apparatus'2004 6,456,392'Image processing apparatus capable of high-quality image formation'2002 6,371,599'Ink jet recording apparatus and drive unit and method for ink jet head'2002 6,343,846'Ink jet printing apparatus capable of printing in the same quality regardless of sheet type'2002 6,322,185'Inkjet printing device'2001 5,985,014'Ink for ink-jet recording containing specified glycol derivatives'1999 5,910,211'Ink for ink-jet recording containing alkylene oxide adduct of acetylene glycol'1999 5,568,231'Charging device for charging the surface of a photosensitive member in an electrophotographic image forming device'1996 5,552,865'Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in electric potential between the charging member and the charge-receiving member'1996 5,504,561'Contact charger and image forming apparatus provided with same'1996 5,489,973'An electrically conductive member of an image forming apparatus containing an impurity atom'1996 5,402,213'Charging device for charging outer surface of photosensitive member including charging member formed by a layer comprising a copolymer of an olefin-type vinyl monomer and a fluorine-contained monomer'1995 5,376,995'Contact charger having a curved surface'1994 5,376,425'Contact member for controlling an electrostatic state of a chargeable member'1994 5,371,578'Image forming apparatus including means for removing counter charged toner from the charging means'1994 5,328,790'Photoreceptor for use in contact charging method and image forming apparatus employing said photoreceptor'1994 5,289,234'Image forming apparatus with charge brush'1994 5,278,614'Contact charger and image forming apparatus incorporating the contact charger'1994 5,245,386'Contact charging device having a brush restricting member'1993 5,241,342'Image forming apparatus having a charging member and means for protecting the image bearing surface charged by the charging member'1993 5,225,878'Image forming apparatus'1993 5,192,974'Contract charger'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to MINOLTA CAMERA KK (14)· patent assignee history

1993–1996Based in Amagasaki, JP· patent location history

1996–2004Patents assigned to MINOLTA CO LTD (8)· patent assignee history

1999–2013Based in Nishinomiya, JP· patent location history

2013Patents assigned to ASANO MASAKI (1)· patent assignee history

2013Patents assigned to HIROSE SATORU (1)· patent assignee history

2013Patents assigned to KONICA MINOLTA MED & GRAPHIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	14	1993–1996
MINOLTA CO LTD	8	1996–2004
ASANO MASAKIself	1	2013
HIROSE SATORU	1	2013
KONICA MINOLTA MED & GRAPHIC	1	2013

Locations

Location	Patents	Span
Amagasaki, JP	15	1993–1996
Nishinomiya, JP	8	1999–2013