NK

Nobuo Kitajima

Tdk: 17 patents #321 of 3,796Top 9%
Canon: 11 patents #5,840 of 19,416Top 35%
TK Tdk Korea: 1 patents #8 of 11Top 75%
Overall (All Time): #133,437 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
12406797 Coil device Kazunori Arimitsu 2025-09-02
12205757 Coil device Kazunori Arimitsu, Fuyuki MIURA, Takehiko NARISAWA, Kiichi FUJISAWA 2025-01-21
12198848 Coil device Kazunori Arimitsu 2025-01-14
12165802 Coil device Kazunori Arimitsu 2024-12-10
10361025 Transformer and leakage transformer Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Satoshi Shinbo 2019-07-23
10096421 Coil device and method for manufacturing the same Masaaki Iwakura, Katsuhiro Ishigaki, Hiroshi Maeda, Satoshi Shinbo 2018-10-09
9793044 Coil device and method for manufacturing the same Masaaki Iwakura, Katsuhiro Ishigaki, Hiroshi Maeda, Satoshi Shinbo 2017-10-17
9424982 Transformer Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Satoshi Shinbo 2016-08-23
9153371 Coil device Masaaki Iwakura, Katsumi Kobayashi, Satoshi SINBO 2015-10-06
D721651 Coil component Masaaki Iwakura, Katsumi Kobayashi, Satoshi Shinbo 2015-01-27
8866577 Coil component Hiroshi Maeda, Katsumi Kobayashi, Kiho Hwang 2014-10-21
8253522 Coil component having wire-support member Katsumi Kobayashi, Yutaka Hatakeyama 2012-08-28
8217746 Choke coil for interleaved PFC circuit Satoshi Shinbo 2012-07-10
D644175 Core for electronic component Satoshi Shinbo 2011-08-30
7952457 Coil component Kenichi Yamaguchi 2011-05-31
7205726 Discharge lamp drive apparatus and liquid crystal display apparatus Hiroshi Maeda, Satoshi Shinbo, Masahiro Gamou, Satoshi Sugimoto, Terumasa Toyoda 2007-04-17
6188207 Switching power supply 2001-02-13
4853752 Image processing method Tohru Takahashi, Naoto Kawamura 1989-08-01
4591903 Recording apparatus Naoto Kawamura 1986-05-27
4551003 Electrophotographic process and apparatus therefor Michio Ito, Masanao Kasai, Shunichi Ishihara 1985-11-05
4439504 Electrophotographic photosensitive member and color electrophotographic process Shunichi Ishihara, Yuji Nishigaki, Nobuko Kitahara 1984-03-27
4365015 Photosensitive member for electrophotography composed of a photoconductive amorphous silicon Shunichi Ishihara, Yuji Nishigaki, Nobuko Kitahara 1982-12-21
4352875 Voltage distribution difference electrophotographic process Shunichi Ishihara, Yuji Nishigaki, Nobuko Kitahara 1982-10-05
4347297 Electrophotographic method and element Shunichi Ishihara, Yuji Nishigaki, Nobuko Kitahara 1982-08-31
4347296 Electrophotographic photosensitive member and electrophotographic process Shunichi Ishihara, Yuji Nishigaki, Nobuko Kitahara 1982-08-31