HN

Hitoshi Niinuma

DI Daikin Industries: 6 patents #576 of 2,957Top 20%
📍 Yuki, JP: #7 of 59 inventorsTop 15%
Overall (All Time): #602,564 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12313312 Refrigeration device and oil cooling device Takuya Mimura, Junpei YAMAMOTO 2025-05-27
10265654 Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter Yoshiyuki Shibuya, Hideyuki Kiyotani, Kunihiko Inui, Li Bao, Shinichi Chaen +2 more 2019-04-23
10265661 Mixed powder and material for molding having PTFE as main component, and drawn porous body Shinichi Chaen, Hideyuki Kiyotani, Kunihiko Inui, Taku Yamanaka, Li Bao +4 more 2019-04-23
10245545 Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter Satoshi Hara, Kunihiko Inui, Li Bao, Makoto Kobayashi 2019-04-02
9707504 Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane Shinichi Chaen, Hideyuki Kiyotani, Kunihiko Inui, Taku Yamanaka, Li Bao +4 more 2017-07-18
9242201 Filter medium for air filter and filter unit Li Bao, Makoto Kobayashi, Jun Morita, Tatsumi Sakano, Osamu Kitayama +1 more 2016-01-26
8597393 Pleated air filter pack and air filter using same Jun Morita, Norikazu Shinya, Tomoyuki Hasegawa, Osamu Kitayama 2013-12-03
6540805 High-performance filter for intake air for gas turbine, and filter unit using such filter for intake air for gas turbine Katsuhiro Ohno, Fumio Nakajima 2003-04-01