TK

Tadashi Koyama

NL Nippon Sheet Glass Company, Limited: 27 patents #12 of 836Top 2%
Kyocera: 11 patents #184 of 3,732Top 5%
KK Kanegafuchi Kagaku Kogyo: 4 patents #134 of 691Top 20%
Canon: 4 patents #10,118 of 19,416Top 55%
TK Toyoda Koki Kabushiki Kaisha: 3 patents #152 of 674Top 25%
KA Kaneka: 2 patents #598 of 1,525Top 40%
YC Yachiyo Industry Co.: 2 patents #41 of 139Top 30%
FC Fukuda Metal Foil & Powder Co.: 1 patents #50 of 95Top 55%
Overall (All Time): #47,208 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
12115923 Earth structure for filler pipe Takahiko Ono, Takeshi Hirohara, Hiroshi Hanahara, Takatoshi Nagata 2024-10-15
11906077 Filler pipe and method for manufacturing filler pipe Hiroshi Hanahara, Takeshi Hirohara 2024-02-20
10483780 Electronic apparatus and control method for the same 2019-11-19
10193543 Electronic device and method of controlling switching elements 2019-01-29
8854276 Portable terminal Kunihiko Watanabe 2014-10-07
8779982 System for reducing antenna gain deterioration Kenji Waku, Kunihiko Watanabe, Shin Takahashi 2014-07-15
8712465 Mobile terminal device capable of more effectively utilizing operation portions, conductive portion, operation detecting unit, power supply unit, and signal processing unit Shin Takahashi, Mitsuhiro Nishizono, Takumi Ogata 2014-04-29
8624724 Position information acquisition apparatus and method of controlling the same Takashi Morii, Shozo Endo, Shinji Kurokawa, Keita Sonoda, Hidenori Shiba +2 more 2014-01-07
8611958 Portable wireless device Kunihiko Watanabe, Katsuji Morishita, Shin Takahashi, Kenji Waku 2013-12-17
8576572 Electronic device Takahiro Tanaka, Mitsuhiro Nishizono, Takumi Ogata 2013-11-05
8537055 Portable electronic device and magnetic antenna circuit Kenji Waku, Masayuki Saito, Yasuhiro Katayama, Katsuji Morishita, Shinobu Kato 2013-09-17
8489109 Portable wireless device Kenji Waku, Kunihiko Watanabe, Mitsuhiro Nishizono, Katsuji Morishita, Takeshi Iwanaga +1 more 2013-07-16
8363415 Detachable network communication device, electronic device and communication device 2013-01-29
8335470 Communication apparatus and method for controlling the same 2012-12-18
8138979 Portable wireless apparatus 2012-03-20
7765334 Electronic apparatus for use with removable storage medium, control method therefor, and program for implementing the method Hidenori Shiba, Shozo Endo, Shinji Kurokawa 2010-07-27
7524783 Glass for laser processing Hirotaka Koyo, Keiji Tsunetomo 2009-04-28
7280075 Wireless communication terminal device Koichiro Furumatsu 2007-10-09
7007512 Method for machining glass substrate Kenji Kamada, Koji Ohta, Jun Yamaguchi 2006-03-07
6984436 Graded material and method for synthesis thereof and method for processing thereof Junji Nishii, Jun Yamaguchi 2006-01-10
6924457 Laser processing method to a class substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements Keiji Tsunetomo 2005-08-02
6847770 Lens function-including optical fiber and method of producing the same Shigeo Kittaka, Masami Kitano 2005-01-25
6645603 Laser processing method to a glass substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements Keiji Tsunetomo 2003-11-11
6616727 Porous metal powder Yoshiro Arami, Masato Kikukawa, Osamu Iwatsu, Yasuhiko Hashimoto 2003-09-09
6590722 Optical element Hiroaki Yamamoto, Koichiro Nakamura, Jun Yamaguchi 2003-07-08