KK

Koji Kitagawa

SC Shin-Etsu Handotai Co.: 17 patents #32 of 679Top 5%
SO Sony: 4 patents #8,966 of 25,231Top 40%
DC Daido Metal Company: 3 patents #97 of 280Top 35%
FM Fujikoshi Machinery: 3 patents #26 of 85Top 35%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
OK Okuma: 1 patents #106 of 233Top 50%
Overall (All Time): #151,856 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
11958160 Method for slicing workpiece and wire saw Shiro Toyoda 2024-04-16
10589446 Wire saw apparatus Yuichi Shimizu 2020-03-17
10545033 Multi-turn detector Yasukazu Hayashi, Yasunori Kawakami, Hiroaki Matsuura 2020-01-28
10518380 Method for slicing workpiece and wire saw Shiro Toyoda 2019-12-31
9260643 Slurry and method for producing slurry 2016-02-16
9079332 Method for resuming operation of wire saw and wire saw 2015-07-14
8567384 Slicing method and wire saw apparatus Hiroshi Oishi, Hideo Kudo 2013-10-29
8454410 Polishing apparatus Junichi Ueno, Syuichi Kobayashi, Hideo Kudo, Tadakazu Miyashita, Atsushi Kajikura +1 more 2013-06-04
8434468 Wire saw apparatus 2013-05-07
8323075 Polishing head, polishing apparatus and method for demounting workpiece Hisashi Masumura, Kouji Morita, Hiromi Kishida, Satoru Arakawa 2012-12-04
8267742 Slicing method and a wire saw apparatus 2012-09-18
8146581 Method for slicing workpiece Kazuya Tomii 2012-04-03
8092281 Polishing head and polishing apparatus Hisashi Masumura, Kouji Morita, Hiromi Kishida, Satoru Arakawa 2012-01-10
8037878 Method for slicing workpiece by using wire saw and wire saw Tadahiro Kato, Yukio Itoi, Tomiichi Sudou 2011-10-18
7959491 Method for slicing workpiece by using wire saw and wire saw 2011-06-14
7576739 Storage medium having game program stored therein, and game apparatus and game processing method therefor Yoichi Yamada, Shinko Takeshita, Kazuaki Morita 2009-08-18
7190582 Cooling device, electronic equipment device, and method of manufacturing cooling device Minehiro Tonosaki, Eisaku Kato, Naoki Sano 2007-03-13
6893499 Silicon single crystal wafer and method for manufacturing the same Izumi Fusegawa, Ryoji Hoshi, Masahiro Sakurada, Tomohiko Ohta 2005-05-17
6783644 Film deposition method Minehiro Tonosaki 2004-08-31
6773843 Portable fuel cell stack Eiji Kato, Yukio Naruse, Takashi Inaba, Yasuo Ido 2004-08-10
6709605 Etching method Minehiro Tonosaki 2004-03-23
6632280 Apparatus for growing single crystal, method for producing single crystal utilizing the apparatus and single crystal Ryoji Hoshi, Izumi Fusegawa, Tomohiko Ohta 2003-10-14
6600261 Plasma light emitting device and display using same having an ultraviolet light leakage preventing means 2003-07-29
6506251 Method for producing silicon single crystal Susumu Sonokawa 2003-01-14
6012850 Sliding bearing assembly Yukihiko Kagohara, Akio Umemura, Mituru Sugita, Yoshiaki Sato, Hideo Ishikawa +1 more 2000-01-11