HT

Hirotaka Tagawa

Bridgestone: 8 patents #280 of 2,860Top 10%
DI Daikin Industries: 4 patents #820 of 2,957Top 30%
Overall (All Time): #403,576 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12018880 Refrigeration apparatus for shipping, and shipping container Kento SHIBUYA 2024-06-25
11647761 Filter unit, gas supply device, inside air conditioner, and cooling device for container Kazuyasu Matsui, Makoto Ikemiya 2023-05-16
11137191 Gas supply device, device for controlling inside air, and refrigeration device for container Kazuyasu Matsui, Makoto Ikemiya 2021-10-05
11051525 Gas supply device, interior air adjustment device, and container refrigeration device Makoto Ikemiya 2021-07-06
9561502 Conductive polymer material, method for producing conductive polymer material, and image forming device member Tadashi Nakajima 2017-02-07
9535354 Conductive roller and manufacturing method thereof Junichi Takano, Izumi Yoshimura, Daijirou Sirakura 2017-01-03
9201337 Developing roller Takayuki Sugimura 2015-12-01
8932194 Electrically conductive roller Kota Kawano, Takayuki Sugimura 2015-01-13
8711543 Electrifying roller Junichi Takano, Izumi Egashira, Daijirou Sirakura 2014-04-29
8642148 Electrifying roller Izumi Egashira, Junichi Takano, Daijirou Sirakura 2014-02-04
8550968 Developing roller and imaging apparatus comprising the same Takayuki Sugimura, Kouta Kawano, Takuro Sugimoto 2013-10-08
8401444 Developing roller comprising surface layer containing water-dispersible silica and/or aqueous silicone acrylic graft polymer Takayuki Sugimura, Kota Kawano 2013-03-19