KN

Katsumi Nakajima

JS Jfe Steel: 9 patents #195 of 1,401Top 15%
NC Nkk Co.: 3 patents #209 of 1,173Top 20%
MI Minolta: 1 patents #729 of 1,109Top 70%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #348,149 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10400316 High strength hot rolled steel sheet having tensile strength of 780 MPa or more Yoshimasa Funakawa, Nobuyuki Nakamura 2019-09-03
10301698 Hot-rolled steel sheet for generator rim and method for manufacturing the same Nobuyuki Nakamura, Yoshimasa Funakawa, Kazutaka Okimoto, Takahiko Ogura 2019-05-28
10301693 High-strength hot-rolled steel sheet and method for producing the same Kazuhiko Yamazaki, Chikara Kami 2019-05-28
10138536 High-strength hot-rolled steel sheet and method for producing same Hayato Saito, Yoshimasa Funakawa 2018-11-27
9222155 Method for manufacturing high strength hot-rolled steel sheet having excellent stretch flangeability and fatigue resistance Nobuyuki Nakamura, Hayato Saito, Yoshimasa Funakawa, Noriaki Moriyasu, Takayuki Murata 2015-12-29
9212411 High strength steel sheet and method for manufacturing the same Koichi Nakagawa, Takeshi Yokota, Kazuhiro Seto, Satoshi Kinoshiro, Yuji Tanaka +2 more 2015-12-15
9200344 High strength hot rolled steel sheet having excellent bendability and method for manufacturing the same Hayato Saito, Yoshimasa Funakawa, Noriaki Moriyasu, Takayuki Murata 2015-12-01
9068238 High tensile strength hot rolled steel sheet having excellent formability and method for manufacturing the same Tamako Ariga, Tetsuya Mega 2015-06-30
7559997 High-strength cold rolled steel sheet and process for producing the same Takayuki Futatsuka, Yasunobu Nagataki 2009-07-14
7252722 Steel sheet Takeshi Fujita, Toshiaki Urabe, Yuji Yamasaki, Fusato Kitano 2007-08-07
6743306 Steel sheet and method for manufacturing the same Takeshi Fujita, Toshiaki Urabe, Yuji Yamasaki, Fusato Kitano 2004-06-01
6416594 Heat shrink band steel sheet and manufacturing method thereof Nobuo Yamagami, Kunikazu Tomita, Yasuyuki Takada, Yoshihiko Oda, Hideki Matsuoka +2 more 2002-07-09
5194999 Video recording and playback apparatus with automatic normal and preprogrammed mode data entry selection Yutaka Suzuki 1993-03-16
5131778 Coupling structure and method of resin moldings Shingo Asai, Akihiko Matsumoto 1992-07-21