NK

Naoyuki Kofuji

HH Hitachi High-Technologies: 15 patents #211 of 1,917Top 15%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
EM Elpida Memory: 2 patents #267 of 692Top 40%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
MA Maxell: 1 patents #286 of 437Top 70%
📍 Tama, JP: #16 of 402 inventorsTop 4%
Overall (All Time): #122,813 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11915951 Plasma processing method Hiroyuki Kobayashi, Nobuya Miyoshi, Kazunori Shinoda, Tatehito Usui, Yutaka Kouzuma +4 more 2024-02-27
11398371 Plasma processing apparatus Kenetsu Yokogawa, Taku Iwase 2022-07-26
11287782 Computer, method for determining processing control parameter, substitute sample, measurement system, and measurement method Takeshi Ohmori, Hyakka Nakada, Masaru Kurihara, Tatehito Usui 2022-03-29
11189470 Search device, search method and plasma processing apparatus Takeshi Ohmori, Hyakka Nakada, Masayoshi Ishikawa, Masaru Kurihara 2021-11-30
11152237 Substitute sample, method for determining control parameter of processing, and measurement system Hyakka Nakada, Takeshi Ohmori, Tatehito Usui, Masaru Kurihara 2021-10-19
10418254 Etching method and etching apparatus Kazunori Shinoda, Hiroyuki Kobayashi, Nobuya Miyoshi, Kohei Kawamura, Masaru Izawa +2 more 2019-09-17
10418224 Plasma etching method Ken'etsu Yokogawa, Nobuyuki Negishi, Masami Kamibayashi, Masatoshi Miyake 2019-09-17
10310321 Optical element, manufacturing method of optical element, and optical device Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more 2019-06-04
9997337 Plasma processing method and plasma processing apparatus Masahito Mori, Naoshi Itabashi 2018-06-12
9960014 Plasma etching method Ken'etsu Yokogawa, Nobuyuki Negishi, Masami Kamibayashi, Masatoshi Miyake 2018-05-01
9933553 Optical element and optical device Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more 2018-04-03
9099349 Semiconductor device manufacturing method Nobuyuki Negishi, Hiroaki Ishimura 2015-08-04
9076637 Plasma processing method and plasma processing apparatus Masahito Mori, Naoshi Itabashi 2015-07-07
8791027 Method of manufacturing semiconductor device Hideo Miura 2014-07-29
8546266 Plasma processing method and plasma processing apparatus Masahito Mori, Naoshi Itabashi 2013-10-01
8129283 Plasma processing method and plasma processing apparatus Masahito Mori, Naoshi Itabashi 2012-03-06
8093529 Control method of a temperature of a sample Tsunehiko Tsubone 2012-01-10
7680563 Pressure control device for low pressure processing chamber Hiroshi Akiyama, Masahiro Nagatani 2010-03-16
7604709 Plasma processing apparatus Masaru Kurihara, Naoshi Itabashi, Takashi Tsutsumi 2009-10-20
7479459 Semiconductor device manufacturing method and semiconductor device manufacturing apparatus 2009-01-20
7396771 Plasma etching apparatus and plasma etching method Go Miya, Seiichiro Kanno, Naoshi Itabashi, Motohiko Yoshigai, Junichi Tanaka +2 more 2008-07-08
7371692 Method for manufacturing a semiconductor device having a W/WN/polysilicon layered film 2008-05-13
7049243 Surface processing method of a specimen and surface processing apparatus of the specimen Tetsuo Ono, Yasuhiro Nishimori, Takashi Sato, Masaru Izawa, Yasushi Goto +7 more 2006-05-23
6797112 Plasma treatment apparatus and method of producing semiconductor device using the apparatus Naoshi Itabashi, Yasunori Goto 2004-09-28
6784109 Method for fabricating semiconductor devices including wiring forming with a porous low-k film and copper Masaru Izawa 2004-08-31