KN

Katsutoshi Nii

HI Hitachi: 29 patents #976 of 28,497Top 4%
HC Hitachi Powdered Metals Co.: 10 patents #10 of 246Top 5%
MC Minebea Co.: 6 patents #97 of 736Top 15%
KC Kansai Electric Power Co.: 1 patents #210 of 506Top 45%
Overall (All Time): #94,978 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
5469008 Motor with a bearing lubricated by magnetic fluid Takeshi Nakajima, Ichiro Hashimoto, Tomoyuki Saitou, Fusanori Ohira, Sueo Akashi +1 more 1995-11-21
5417507 Vertical motor, method of manufacturing same, polygon mirror motor using said motor, and bearing device for use in said motor Satosi Uno, Jun Matsubayashi, Kazuhiko Kawaike 1995-05-23
5325006 Sealed magnetic fluid bearing for polygon mirror drive motor Satosi Uno, Sueo Akashi, Kazuhiko Kawaike, Hiroo Hiroyama, Kosho Ishizaki 1994-06-28
5297927 Vertical shaft type pump Kooji Aizawa, Ryoji Okada, Masayuki Yamada, Kunio Takada 1994-03-29
5108198 Magnetic fluid bearing apparatus and motor having magnetic fluid bearing apparatus Kazuhiko Kawaike, Jun Matsubayashi, Satosi Uno 1992-04-28
5035519 Submersible thrust bearing apparatus Kooji Aizawa, Kazuhiko Kawaike, Kengo Hasegawa, Akira Saruta, Ryoichi Nakashima 1991-07-30
4938611 Bearing apparatus Kazuhiko Kawaike, Hiroo Hiroyama, Satoshi Uno 1990-07-03
4746268 End face mechanical shaft seal for use in hydraulic machines and seal ring assembly for use in the shaft seal Osamu Sugimoto, Teiji Horita, Koozi Aizawa, Kazuhiko Kawaike, Ichiro Hitomi +1 more 1988-05-24
4529209 Hydraulic machine shaft seal with centrifugal removal of sand and soil particles Kinpei Okano, Shunzo Tomioka 1985-07-16
4508396 Method of producing bearing component Motomichi Doi, Kinpei Okano, Yoshiharu Yokota 1985-04-02
4433432 X-Ray tube apparatus Kinpei Okano, Motomichi Doi, Minoru Kitsuya 1984-02-21