Chichibu, JP All Time

1,320 patents  ·  144 inventors

Ranked #2,963 of 111,555 cities Top 3%

Showing 1–50 of 144 inventors

Rank Inventor Primary Company Patents
1 Katsunori Sato Bridgestone Sports Co. 126
2 Atsuki Kasashima Bridgestone Sports Co. 92
3 Takashi Udagawa Showa Denko K.K. 81
#4 Rinya Takesue Bridgestone Sports Co. 79
#5 Jun Shindo Bridgestone Sports Co. 67
#6 Junji Umezawa Bridgestone Sports Co. 61
#7 Eiji Takehana Bridgestone Sports Co. 47
#8 Hideyuki Kawai Seiko Epson 41
#8 Fumio Shimada Canon 41
#10 Shunichi Kashiwagi Bridgestone Sports Co. 29
#10 Kae Iizuka Bridgestone Sports Co. 29
#12 Yuichiro Ozawa Bridgestone Sports Co. 28
#12 Hirotaka Shinohara Bridgestone Sports Co. 28
#12 Ryouichi Takeuchi Showa Denko K.K. 28
#15 Atuki Kasasima Bridgestone Sports Co. 22
#16 Noritaka Muraki Showa Denko K.K. 20
#17 Takayuki Wakabayashi Canon 17
#17 Toru Ogawana Bridgestone Sports Co. 17
#19 Minoru Tsuruta Olympus Optical Co. 16
#20 Michio Yanagi Canon 15
#20 Yutaka Tajima Honda Motor Co. 15
#20 Masashi Shimamura Canon 15
#23 Akira Miyasaka Showa Denko K.K. 12
#23 Yoshitaka Nishihara Showa Denko K.K. 12
#23 Masanobu Kuwahara Bridgestone Sports Co. 12
#26 Kenji Momose Showa Denko K.K. 11
#26 Hirotada Iwade Bridgestone Sports Co. 11
#28 Keisuke Fukada Showa Denko K.K. 10
#28 Tadao Hirano Casio Computer Co. 10
#30 Wataru Nabekura Showa Denko K.K. 9
#30 Ryuichi Negishi Canon 9
#32 Yasuyuki Sakaguchi Showa Denko K.K. 8
#32 Masae Ikeda Fujitsu Limited 8
#32 Naoto ISHIBASHI Showa Denko K.K. 8
#32 Yoshiaki Kageshima Showa Denko K.K. 8
#32 Noriyuki Aihara Showa Denko K.K. 8
#32 Kae Yamazaki Bridgestone Sports Co. 8
#38 Mitsuaki Murata Taiheiyo Cement 7
#38 Tadahiro NARITA Bridgestone Sports Co. 7
#40 Takuichi Shimizu Bridgestone Sports Co. 6
#40 Junji Hamana Canon 6
#40 Toshiro Wachi Bridgestone Sports Co. 6
#40 Atsushi Yoshinaga Showa Denko K.K. 6
#40 Yoichi Omura Bridgestone Sports Co. 6
#40 Yoshikazu Umeta Showa Denko K.K. 6
#46 Toru Wakazawa Canon 5
#46 Hiroshi Azami Ricoh Company 5
#46 Takaharu Hoshina Showa Denko K.K. 5
#46 Norio Hirokawa Showa Denko 5
#46 Michiya Odawara Showa Denko K.K. 5