Showing 1–50 of 125 inventors

Rank Inventor Primary Company Patents
1 Ken Yoshioka Hitachi 79
2 Junichi Hamada NS Sumikin Stainless 47
3 Ikuo Yoshida Hitachi 36
3 Shoji Ikuhara Hitachi 36
#5 Saburo Kanai Hitachi 29
#5 Yoshifumi Ogawa Hitachi 29
#7 Saburou Kanai Hitachi 23
#8 Takeshi Ikemoto Kanebo, Limited 20
#9 Yutaka Ohmoto Hitachi 19
#9 Hideo Takai Hitachi 19
#11 Kenichi Kuwabara Fujitsu Limited 18
#12 Toshio Baba Nec 13
#12 Haruhiko Kajimura Sumitomo Metal Industries 13
#14 Takashi Oosawa Nippon Steel 12
#15 Tadashi Komori Nippon Steel 10
#16 Toshiyuki Suehiro Nippon Steel 9
#16 Yasumichi Miyagawa Tosoh 9
#16 Jun Araki The University Of Tokyo 9
#19 Atsutaka Hayashi NS Sumikin Stainless 8
#19 Norihiro Kanno NS Sumikin Stainless 8
#21 Yuusuke Oikawa NS Sumikin Stainless 7
#21 Shigeo Matsuyama Denso 7
#21 Yutaka Omoto Hitachi 7
#24 Kokichi Yoshida Takeda Chemical Industries 6
#24 Takazumi Ishizu Hitachi 6
#26 Toshihiro Kosuge Nippon Steel 5
#26 Hikaru Sakamoto Furukawa Denchi Kabushiki Kaisha 5
#26 Kozo Kamiya Nippon Oil 5
#26 Ryoji Hamasaki Hitachi 5
#26 Tadahiro Izu Nippon Steel 5
#31 Jiro Tominaga Nippon Steel 4
#31 Kensuke Shimomura Nippon Steel 4
#31 Masaharu Tachimori Nippon Steel 4
#31 Kazuaki Kihara Takeda Chemical Industries 4
#31 Haruo Ohguro Nippon Steel 4
#31 Tooru Matsuhashi NS Sumikin Stainless 4
#31 Masaki Kajiyama Japan Display 4
#31 Takao Niinobe Sachem 4
#39 Tadashi Sawatani Nippon Steel 3
#39 Ryouji Hamasaki Hitachi 3
#39 Takamasa Ohno Nippon Steel 3
#39 Tsunehiro Shimizu Nippon Steel 3
#39 Shin-ichi Teraoka Nippon Steel 3
#39 Ryuuzou Hanzawa Nippon Steel 3
#39 Takashi Minamigi Toyo Kohan Co. 3
#39 Kenji IMAMOTO Hitachi 3
#39 Kazunori Ishizaka Jvckenwood 3
#39 Yuuji Yoshimura National Institute Of Advanced Industrial Science And Technology 3
#39 Ryuji Nakao Nippon Steel 3
#39 Izumi Muto Hitachi Industrial Equipment Systems Co. 3