DO

Daisuke Okamura

AK Asahi Kasei Kabushiki Kaisha: 8 patents #28 of 1,220Top 3%
AC Asahi Kasei Chemicals: 4 patents #74 of 543Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Overall (All Time): #291,256 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11654400 Porous hollow fiber membrane and method for producing porous hollow fiber membrane Yuki MIKI 2023-05-23
11534723 Method of filtration using porous membranes 2022-12-27
11471834 Filtration method using porous membrane 2022-10-18
11364469 Hollow fiber membrane module and filtering method Shigenori Kasai 2022-06-21
11338253 Porous hollow fiber membrane, method for producing same, and water purification method Yuki MIKI, Masatoshi Hashino 2022-05-24
11110402 Porous hollow fiber membrane, method for producing porous hollow fiber membrane and filtration method 2021-09-07
10974204 Porous membrane and process for producing porous membrane Yuki MIKI, Hirokazu Fujimura, Masatoshi Hashino 2021-04-13
10751671 Porous hollow fiber membrane, method for producing same, and water purification method Yuki MIKI, Masatoshi Hashino 2020-08-25
10023709 Multiporous hollow-fiber membrane and process for producing multiporous hollow-fiber membrane Yuki MIKI 2018-07-17
8569101 Method for forming an absorber layer of a thin film solar cell Tadahiro Kubota, Katustoshi Nosaki 2013-10-29
8097161 Wastewater treatment method Tomotaka Hashimoto 2012-01-17
8033009 Method for producing a force sensor Nariaki Kuriyama, Jun Sasahara, Tadahiro Kubota, Takeshi Ohsato 2011-10-11
7704394 Hollow fiber membrane cartridge Tomotaka Hashimoto 2010-04-27
7578940 Membrane cartridge, membrane separating device, and membrane separating method Tomotaka Hashimoto 2009-08-25
7087671 Recycled plastic molded parts for photosensitive materials Toshio Sata, Kazuo Kamata 2006-08-08
6783715 Method of recycling molded plastic parts for photosensitive material and recycled plastic molded parts Kazuo Kamata, Toshio Sata 2004-08-31