JR

Japanese National Railways

Rank (All Time): #22200 of 106,127Top 25%
102 inventors
28
Patents All Time

Top Inventors at Japanese National Railways All Time

Showing 1–50 of 102 inventors

RankNamePatents
1 Hirotsugu Oishibashi 5
2 Katsuyoshi Ueyama 4
2 Mitsuo Nakamura 4
2 Muneyuki Ohara 4
#5 Eiji Yamanaka 2
#5 Kiyoshi Wada 2
#5 Kozo Ishikawa 2
#5 Shigeru Sasaki 2
#5 Shunsuke Senba 2
#5 Takeo Aichi 2
#5 Takayoshi Amano 2
#5 Takaki Shimura 2
#5 Tadashi Takimoto 2
#5 Toshiyuki Kitta 2
#5 Toshio Suzuki 2
#5 Yoshiro Hayashi 2
#5 Yoshihiko Sato 2
#5 Akira Sugihara 2
#19 Haruo Ikeda 1
#19 Hideo Endo 1
#19 Hiromi Go 1
#19 Hiroshi Harimoto 1
#19 Hiroshi Higaki 1
#19 Hitoshi Inoue 1
#19 Hiroshi Ito 1
#19 Hideo Kakegawa 1
#19 Hiroshi Nakashima 1
#19 Hiroji Noda 1
#19 Hiroshi Tada 1
#19 Hideo Takai 1
#19 Hiroshi Tamama 1
#19 Hiroshi Yamashita 1
#19 Hiroto Yasuhara 1
#19 Isao Okamoto 1
#19 Jingo Miyazaki 1
#19 Kazutaka Arima 1
#19 Kazuyoshi Iida 1
#19 Kazuhiko Nagase 1
#19 Katuro Takasawa 1
#19 Katsuyuki Terada 1
#19 Kainen Watanabe 1
#19 Keiichi Aoki 1
#19 Kenzo Hagiwara 1
#19 Keizo Ishikawa 1
#19 Ken-ichi Itoh 1
#19 Kesao Kambara 1
#19 Keniti Seto 1
#19 Keiji Shimizu 1
#19 Kiyoshi Nakamura 1
#19 Kira Ozawa 1