Katsuhiro Akinaga

Follow

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,532,545
- Issue date Sep 10, 2013
- Ricoh Company, Limited
- Tomonari Hokkyoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including counter-rotating developing rolle...
- Patent number 8,406,660
- Issue date Mar 26, 2013
- Ricoh Company, Ltd.
- Tomonari Hokkyoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographing method using carona charging device having are...
- Patent number 5,740,504
- Issue date Apr 14, 1998
- Hitachi Koki Co., Ltd.
- Katsuhiro Akinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image printer
- Patent number 5,634,183
- Issue date May 27, 1997
- Hitachi Koki Co., Ltd.
- Yosuke Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of preventing colors from being mixed for a two-color image...
- Patent number 5,276,487
- Issue date Jan 4, 1994
- Hitachi Koki Co., Ltd.
- Katsuhiro Akinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for printing on opposite surfaces of a strip of printing...
- Patent number 5,179,417
- Issue date Jan 12, 1993
- Hitachi Koki Co., Ltd.
- Tomio Sugaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20110123233
- Publication date May 26, 2011
- Tomonari HOKKYOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROLLING METHOD
- Publication number 20100209127
- Publication date Aug 19, 2010
- Tomonari HOKKYOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY