KI

Kiyoshi Izumi

Kubota: 11 patents #146 of 2,059Top 8%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
AM AMD: 1 patents #5,683 of 9,279Top 65%
📍 Hitachi, CA: #4 of 9 inventorsTop 45%
Overall (All Time): #241,097 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7931802 Water treatment system Kazuhisa Nishimori, Taichi Uesaka, Tatsuya Uejima, Hidetoshi Masutani, Shigeto Miuma 2011-04-26
6843470 Air diffuser and flushing method thereof Yasunobu Okajima, Tatsuya Uejima, Masaaki Nagano 2005-01-18
6843908 Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same Yasunobu Okajima, Tatsuya Uejima, Masaaki Nagano, Yutaka Yamada, Taichi Uesaka 2005-01-18
6573140 Process for making a dual bit memory device with isolated polysilicon floating gates Jusuke Ogura, Masaru Yano, Hideki Komori, Tuan Pham, Angela T. Hui 2003-06-03
6473481 Control rod guide tube cleaning apparatus in nuclear reactor Tsutomu Ishii, Tsumoru Miyahara, Hideo Yonemura 2002-10-29
6440844 Semiconductor device with copper wiring and its manufacture method Hideo Takagi, Wataru Futo, Satoshi Otsuka, Shigetaka Uji, Masataka Hoshino +4 more 2002-08-27
6373017 Continuous hot rolling mill with metal block conveying apparatus Shigeru Isoyama, Takeshi Hirabayashi, Hideyuki Nikaido, Hirosuke Yamada, Nozomu Tamura +10 more 2002-04-16
6345756 Defectively joined portion removal apparatus for use in a continuous hot rolling process Shigeru Isoyama, Takeshi Hirabayashi, Hideyuki Nikaido, Hirosuke Yamada, Nozomu Tamura +10 more 2002-02-12
6287467 Submerged membrane cartridge Masaaki Nagano, Yasunobu Okajima, Yutaka Yamada, Tatsuya Uejima 2001-09-11
6277209 Method and apparatus of regenerating filtration membrane cartridge for activated sludge Yutaka Yamada, Yoshio Nigara, Kenji Kubota 2001-08-21
6154514 Nuclear reaction fuel assembly for a nuclear reactor fuel assembly Kazuo Murakami, Shinichi Shiraishi 2000-11-28
5772831 Filter membrane element and method of manufacturing same Masashi Moro 1998-06-30
5651888 Filtration membrane cartridge Kenji Shimizu, Hiroshi Ishida, Yutaka Yamada, Masashi Moro, Yuji Soeda 1997-07-29
5482625 Filtration membrane module Kenji Shimizu, Hiroshi Ishida, Yutaka Yamada, Masashi Moro, Yuji Soeda 1996-01-09
5451317 Solid-liquid separator Hiroshi Ishida, Shuzo Matsumura 1995-09-19
5437787 Adsorption/reaction equipment Hiroshi Ishida, Shuzo Matsumura 1995-08-01
5192456 Apparatus for treating activated sludge and method of cleaning it Hiroshi Ishida, Yutaka Yamada, Masashi Moro 1993-03-09
5126522 Induction heating apparatus for preventing the formation of stripes on plated steel Keiichi Katayama, Mitsuo Kato, Mikio Hanamoto, Kazuya Tsurusaki, Mamoru Hiyama 1992-06-30
4762670 Cleaning apparatus for atomic reactor control rod driving means (CRD) Tomiharu Yoshida, Tatsuyuki Omote, Yoshimi Ishii 1988-08-09