KN

Keiji Nakajima

DC Dainichiseika Color & Chemicals Mfg. Co.: 3 patents #88 of 376Top 25%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
UC Ukima Colour & Chemicals Mfg. Co.: 1 patents #27 of 47Top 60%
Overall (All Time): #728,700 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10106870 Copper alloy and process for producing the same Yasuhiro Maehara, Mitsuharu Yonemura, Takashi Maeda, Tsuneaki Nagamichi 2018-10-23
10023940 Copper alloy and process for producing the same Yasuhiro Maehara, Mitsuharu Yonemura, Takashi Maeda, Tsuneaki Nagamichi 2018-07-17
6368399 Composite pigments, coloring compositions, and image recording substances Masahiko Aoba, Yukio Kanbara, Shigeru Takarada, Kazutaka Aoki, Shotoku Takami 2002-04-09
6258503 Production process of colored fine particulate composition and colored fine particulate composition produced by the process Michiei Nakamura, Hiroyuki Shimanaka, Kazuo Kanou, Masayuki Takahashi, Yukio Kanbara +2 more 2001-07-10
5814434 Composition for black matrix, fabrication process of black matrix and article provided with black matrix Michiei Nakamura, Shigeru Sakamoto, Takamitsu Shinoda, Mitsuo Yamazaki, Kanako Sato +5 more 1998-09-29
5036544 Apparatus for discriminating linearity of line segment in image processing system Yoshikazu Sakaue, Kazuhiko Sumi 1991-07-30
4643424 Ball for ballgames and manufacturing process thereof 1987-02-17