Ryuuji Akiyama

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air treatment device
- Patent number 11,774,114
- Issue date Oct 3, 2023
- Daikin Industries, Ltd.
- Hidekazu Tanaka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Drain pan, drain pan unit, and air conditioner
- Patent number 11,384,957
- Issue date Jul 12, 2022
- Daikin Industries, Ltd.
- Ryuuji Akiyama
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioner
- Patent number 7,185,504
- Issue date Mar 6, 2007
- Daikin Industries Ltd.
- Masaya Kasai
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Reaction vessel for optical measurement
- Patent number 5,538,691
- Issue date Jul 23, 1996
- Daikin Industries, Ltd.
- Kaori Tosa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
AIR TREATMENT DEVICE
- Publication number 20220357054
- Publication date Nov 10, 2022
- DAIKIN INDUSTRIES, LTD.
- Hidekazu TANAKA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AROMATIC DEODORIZING DEVICE
- Publication number 20220288263
- Publication date Sep 15, 2022
- DAIKIN INDUSTRIES, LTD.
- Ryuuji AKIYAMA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DRAIN PAN, DRAIN PAN UNIT, AND AIR CONDITIONER
- Publication number 20210341173
- Publication date Nov 4, 2021
- DAIKIN INDUSTRIES, LTD.
- Ryuuji AKIYAMA
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Air conditioner
- Publication number 20040079094
- Publication date Apr 29, 2004
- Masaya Kasai
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Air conditioner
- Publication number 20040050077
- Publication date Mar 18, 2004
- Masaya Kasai
- F24 - HEATING RANGES VENTILATING