KN

Kazuhiko Nakagawa

HC Hitachi Cable: 8 patents #63 of 1,086Top 6%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
KS Kobe Steel: 4 patents #205 of 2,031Top 15%
KS Kobe Steel: 4 patents #359 of 1,773Top 25%
PC Purpose Co.: 3 patents #4 of 34Top 15%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shimizu Industry Co.: 1 patents #9 of 29Top 35%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
MI Mitsuba: 1 patents #291 of 618Top 50%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
📍 Fuji, JP: #4 of 12 inventorsTop 35%
Overall (All Time): #131,874 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4368015 Tire vulcanizer Masakatsu Kawahara, Itaru Amano, Yasuhiko Fujieda, Kashiro Ureshino, Mitsunori Asada 1983-01-11
4304539 Extruder with roller die Katsunobu Hagiwara 1981-12-08
4284358 Mixing and kneading machine Norimoto Sato, Minoru Miyaoka, Shin Yamasaki, Kimio Inoue, Akimasa Kuriyama +3 more 1981-08-18
4268219 Green tire conveying method and apparatus Yasuhiko Fujieda, Shozo Hara, Toshikazu Tanaka, Akira Taira 1981-05-19