Yasuyuki Hirai

Person

Oyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Dihydrobenzoxazine ring-containing resin, phenolic-triazine-aldehyd...
- Patent number 7,538,150
- Issue date May 26, 2009
- Hitachi Chemical Company, Ltd.
- Kenichi Oohori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Varnish for laminate or prepreg, laminate or prepreg prepared using...
- Patent number 7,390,571
- Issue date Jun 24, 2008
- Hitachi Chemical Co., Ltd.
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Varnish for laminate or prepreg, laminate or prepreg obtained with...
- Patent number 7,041,399
- Issue date May 9, 2006
- Hitachi Chemical Co., Ltd.
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing benzoxazine resin
- Patent number 7,041,772
- Issue date May 9, 2006
- Hitachi Chemical Co., Ltd.
- Teruki Aizawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition, and use and method for preparing the same
- Patent number 6,720,077
- Issue date Apr 13, 2004
- Hitachi Chemical Co., Ltd.
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Developing device for preventing thickening of the developer at bot...
- Patent number 6,718,153
- Issue date Apr 6, 2004
- Kyocera Mita Corporation
- Ryoji Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper feeder apparatus for use with image forming apparatus
- Patent number 6,523,821
- Issue date Feb 25, 2003
- Kyocera Mita Corporation
- Nobuyuki Kashiwagi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming machine having finisher for different length sheets
- Patent number 6,430,388
- Issue date Aug 6, 2002
- Kyocera Mita Corporation
- Yasuyuki Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thermosetting compounds, cured product thereof and method of prepar...
- Patent number 6,005,064
- Issue date Dec 21, 1999
- Hitachi Chemical Company, Ltd.
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting resin composition, cured product, prepreg, metal-clad...
- Patent number 5,945,222
- Issue date Aug 31, 1999
- Hitachi Chemical Company, Ltd.
- Hideo Nagase
- B32 - LAYERED PRODUCTS
Information Patent Grant
Image forming device with a printer unit and a copying unit
- Patent number 5,895,139
- Issue date Apr 20, 1999
- Mita Industrial Co., Ltd.
- Toshiyuki Osaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for image forming apparatus, toner container inse...
- Patent number 5,761,586
- Issue date Jun 2, 1998
- Mita Industrial Co., Ltd.
- Tetsuro Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of stripping a sealing member from a toner cartridge
- Patent number 5,363,177
- Issue date Nov 8, 1994
- Mita Industrial Co., Ltd.
- Kuniaki Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner feeding device
- Patent number 5,337,125
- Issue date Aug 9, 1994
- Mita Industrial Co., Ltd.
- Kuniaki Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge having opening for discharging toner sealed with se...
- Patent number 5,294,963
- Issue date Mar 15, 1994
- Mita Industrial Co., Ltd.
- Kuniaki Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image-developing device and toner cartridge us...
- Patent number 5,142,335
- Issue date Aug 25, 1992
- Mita Industrial Co., Ltd.
- Hiromi Sakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having means for coordinating the input and...
- Patent number 5,136,341
- Issue date Aug 4, 1992
- Mita Industrial Co Ltd.
- Yoshinobu Takemura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Varnish for laminate or prepreg, laminate or prepreg prepared using...
- Publication number 20060141262
- Publication date Jun 29, 2006
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermosetting resin composition, and prepreg, laminated board for w...
- Publication number 20060008632
- Publication date Jan 12, 2006
- Kenichi Oohori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for producing benzoxazine resin
- Publication number 20040138345
- Publication date Jul 15, 2004
- Teruki Aizawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermosetting resin composition, and prepreg, laminate for circuit...
- Publication number 20040076805
- Publication date Apr 22, 2004
- Kenichi Oohori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Varnish for laminate or prepreg, laminate or prepreg obtained with...
- Publication number 20040034129
- Publication date Feb 19, 2004
- Yasuyuki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Developing device
- Publication number 20030103783
- Publication date Jun 5, 2003
- Ryoji Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Resin composition, and use and method for preparing the same
- Publication number 20020155298
- Publication date Oct 24, 2002
- Yasuyuki Hirai
- B32 - LAYERED PRODUCTS
Information Patent Application
Paper feeder apparatus for use with image forming apparatus
- Publication number 20010015521
- Publication date Aug 23, 2001
- KYOCERA MITA CORPORATION
- Nobuyuki Kashiwagi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Yasuyuki Hirai

Person

Patents Grantslast 30 patents

Dihydrobenzoxazine ring-containing resin, phenolic-triazine-aldehyd...

Varnish for laminate or prepreg, laminate or prepreg prepared using...

Varnish for laminate or prepreg, laminate or prepreg obtained with...

Method for producing benzoxazine resin

Resin composition, and use and method for preparing the same

Developing device for preventing thickening of the developer at bot...

Paper feeder apparatus for use with image forming apparatus

Image forming machine having finisher for different length sheets

Thermosetting compounds, cured product thereof and method of prepar...

Thermosetting resin composition, cured product, prepreg, metal-clad...

Image forming device with a printer unit and a copying unit

Developing device for image forming apparatus, toner container inse...

Method of stripping a sealing member from a toner cartridge

Toner feeding device

Toner cartridge having opening for discharging toner sealed with se...

Electrostatic latent image-developing device and toner cartridge us...

Image forming apparatus having means for coordinating the input and...

Patents Applicationslast 30 patents

Varnish for laminate or prepreg, laminate or prepreg prepared using...

Thermosetting resin composition, and prepreg, laminated board for w...

Method for producing benzoxazine resin

Thermosetting resin composition, and prepreg, laminate for circuit...

Varnish for laminate or prepreg, laminate or prepreg obtained with...

Developing device

Resin composition, and use and method for preparing the same

Paper feeder apparatus for use with image forming apparatus