TY

Tomoyuki Yokokawa

Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
NT NTT: 5 patents #1,080 of 4,871Top 25%
SC Sei Optifrontier Co.: 5 patents #13 of 82Top 20%
JC Japan Communication Accessories Manufacturing Co.: 1 patents #19 of 34Top 60%
Overall (All Time): #207,459 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11209604 Connecting harness Keiju Okabe, Tomikazu Ichinose, Tsutomu Yamazaki 2021-12-28
11073671 Termination unit Kazuya Masuda, Junji Fukui, Tetsuya Oosugi, Takayuki YOKOCHI, Masanori Yamanaka +1 more 2021-07-27
10677996 Optical connector, detaching jig, and cap Yohei AOSHIMA, Tsuneari Ito, Kenichiro Otsuka 2020-06-09
10591693 Termination unit and optical fiber exchange method using the same Takayasu Yamauchi, Tomohiko Ueda, Junji Fukui, Yukihiro Yokomachi, Takayuki YOKOCHI +1 more 2020-03-17
D828811 Housing for an optical fiber connector Yohei AOSHIMA, Yuji Suzuki 2018-09-18
D828812 Pull tab for an optical fiber connector Yohei AOSHIMA, Yuji Suzuki 2018-09-18
8024945 Glass tube processing apparatus Tetsuya Nakanishi, Masashi Onishi, Masaaki Hirano, Nobuyuki Taira 2011-09-27
8015845 Glass tube processing method Tetsuya Nakanishi, Masashi Onishi, Masaaki Hirano, Nobuyuki Taira 2011-09-13
7637125 Glass tube processing method, apparatus and glass tube Tetsuya Nakanishi, Masashi Onishi, Masaaki Hirano, Nobuyuki Taira 2009-12-29
7376316 Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiber Takashi Sasaki, Masaaki Hirano 2008-05-20
7321709 Optical cable Eisuke Sasaoka 2008-01-22
7239783 Optical fiber, dispersion compensator, and optical transmission system Yoshinori Yamamoto, Takatoshi Kato, Takashi Fujii 2007-07-03
7206484 Optical fiber, dispersion compensator, and optical transmission system Yoshinori Yamamoto, Takatoshi Kato, Takashi Fujii 2007-04-17
7068901 Optical fiber preform producing method, optical fiber production method, and optical fiber Masaaki Hirano, Eiji Yanada, Takashi Sasaki 2006-06-27
7016581 Dispersion compensation unit and optical communication system Masashi Onishi, Takashi Fujii 2006-03-21
7010203 Optical fiber manufacturing method and optical fiber Eiji Yanada, Masaaki Hirano 2006-03-07
6757465 Optical fiber cable and method of producing the same Hideyuki Iwata 2004-06-29
6545222 Cable, and method for removing sheath at intermediate part of cable Yoshiyuki Suetsugu, Masahiro Eguchi, Kiyotaka Nishioka, Kazuo Hogari, Hideyuki Iwata 2003-04-08
6411761 Optical fiber cable Yoshiyuki Suetsugu, Hideyuki Iwata 2002-06-25
6229944 Optical fiber cable Yoshiyuki Suetsugu, Hideyuki Iwata 2001-05-08
6122427 Spacer type optical fiber cable Yoshiyuki Suetsugu, Kazuo Hogari, Shin-ichi Furukawa 2000-09-19