Kozo Nitta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Local air cleaner
- Patent number 10,478,874
- Issue date Nov 19, 2019
- Koken Ltd.
- Taketo Suzuki
- B08 - CLEANING
Information Patent Grant
Local air cleaning apparatus
- Patent number 10,197,302
- Issue date Feb 5, 2019
- Koken Ltd.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Local air cleaning apparatus
- Patent number 10,161,645
- Issue date Dec 25, 2018
- Koken Ltd.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Local clean zone forming apparatus
- Patent number 9,791,161
- Issue date Oct 17, 2017
- Koken Ltd.
- Yuki Fujishiro
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Purified air discharge device
- Patent number 9,410,710
- Issue date Aug 9, 2016
- Koken Ltd.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
System for decomposing organic compound
- Patent number 7,722,830
- Issue date May 25, 2010
- Koken Ltd.
- Kazushi Kimura
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
System for decomposing organic compound
- Patent number 7,364,710
- Issue date Apr 29, 2008
- Koken Ltd.
- Kazushi Kimura
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LOCAL AIR CLEANER
- Publication number 20150306641
- Publication date Oct 29, 2015
- KOKEN LTD.
- Taketo Suzuki
- B08 - CLEANING
Information Patent Application
PURIFIED AIR DISCHARGE DEVICE
- Publication number 20150128541
- Publication date May 14, 2015
- KOKEN LTD.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Application
LOCAL AIR CLEANING APPARATUS
- Publication number 20150059298
- Publication date Mar 5, 2015
- KOKEN LTD.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Application
LOCAL AIR CLEANING APPARATUS
- Publication number 20140366498
- Publication date Dec 18, 2014
- KOKEN LTD.
- Taketo Suzuki
- F24 - HEATING RANGES VENTILATING
Information Patent Application
LOCAL CLEAN ZONE FORMING APPARATUS
- Publication number 20120322356
- Publication date Dec 20, 2012
- KOKEN LTD.
- Yuki Fujishiro
- F24 - HEATING RANGES VENTILATING
Information Patent Application
System for decomposing organic compound
- Publication number 20060182671
- Publication date Aug 17, 2006
- KOKEN LTD.
- Kazushi Kimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System for decomposing organic compound
- Publication number 20030185728
- Publication date Oct 2, 2003
- Koken Co.,Ltd.
- Kazushi Kimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL