Hironobu Takeuchi

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Patents Grantslast 30 patents

Information Patent Grant
Air cleaning apparatus and method for predicting breakthrough time...
- Patent number 9,333,378
- Issue date May 10, 2016
- Koken Ltd.
- Shingo Ishikawa
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Supply valve for air respirator
- Patent number 9,050,478
- Issue date Jun 9, 2015
- Koken Ltd.
- Hironobu Takeuchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
DISPOSABLE MASK
- Publication number 20210386135
- Publication date Dec 16, 2021
- Kohei SHIRAISHI
- A41 - WEARING APPAREL
Information Patent Application
PROTECTIVE MASK
- Publication number 20180078796
- Publication date Mar 22, 2018
- KOKEN LTD.
- Hironobu TAKEUCHI
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
AIR BLOWER AND PROTECTIVE SUIT INCLUDING THE SAME
- Publication number 20150297920
- Publication date Oct 22, 2015
- KOKEN LTD.
- Hironobu TAKEUCHI
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
PROTECTIVE GARMENT
- Publication number 20150216250
- Publication date Aug 6, 2015
- KOKEN LTD.
- Hironobu Takeuchi
- A41 - WEARING APPAREL
Information Patent Application
AIR CLEANING APPARATUS AND METHOD FOR PREDICTING BREAKTHROUGH TIME...
- Publication number 20130327335
- Publication date Dec 12, 2013
- KOKEN LTD.
- Shingo Ishikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SUPPLY VALVE FOR AIR RESPIRATOR
- Publication number 20130047991
- Publication date Feb 28, 2013
- KOKEN LTD.
- Hironobu Takeuchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE