TK

Toshio Koyama

SO Sony: 13 patents #3,381 of 25,231Top 15%
SI Sumitomo Rubber Industries: 5 patents #438 of 1,637Top 30%
FI Fujifilm Business Innovation: 5 patents #1,714 of 5,238Top 35%
NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
NS Nippon Steel Semiconductor: 1 patents #17 of 41Top 45%
Overall (All Time): #164,475 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
9421827 Pneumatic tire Keiji Higuchi, Hirokazu Takano 2016-08-23
6522361 Electronic apparatus having the function of displaying the battery residual quantity and method for displaying the battery residual quantity Yoshinari Higuchi, Naoki Nagano, Yoichi Tsusue 2003-02-18
6485861 Battery pack, battery charger and an electronic device using a battery pack Toshio Takeshita, Tomoyuki Kubotera, Hisashi Aoki 2002-11-26
6225783 Battery charge controlled as function of operating mode Naoki Nagano 2001-05-01
6181146 Burn-in board 2001-01-30
6170546 Heavy duty pneumatic tire including variable width grooves and constant width grooves Mitsuharu Koya 2001-01-09
6157309 Battery pack Hidero Mitsui 2000-12-05
6008620 Battery charging device, method for charging battery pack and battery pack Naoki Nagano 1999-12-28
6003575 Pneumatic tire including sipes Masaru Araki, Mitsuharu Koya 1999-12-21
5999102 Battery pack Hidero Mitsui 1999-12-07
5912704 VTR with digitally-interfaced camera unit and viewfinder Michiko Mochizuki, Kayano Hashimoto, Satoshi Yamamoto 1999-06-15
5905362 Battery charging device, method for charging battery pack by switching between maximum charging voltage and maximum charging current Naoki Nagano 1999-05-18
5872444 Battery charging device method for charging battery pack and battery pack Naoki Nagano 1999-02-16
5805069 Battery pack Hidero Mitsui 1998-09-08
5748237 Backlighting and color control arrangement for LCD type video camera viewfinder having multiple backlighting sources Toshiaki Ueda, Katsuhiko Ueno, Yoshihiro Ono 1998-05-05
5699115 Electronic viewfinder having means for turning off a display device Hiroshi Hiraki, Yoshihiro Ono, Katsuhiko Ueno, Satoshi Kimura 1997-12-16
5689172 Charging battery system for video camera Hiroyuki Arakawa 1997-11-18
5606350 Ink jet recording apparatus operative to provide quality printing on hydrophilic and hydrophobic recording media 1997-02-25
5596355 Color ink jet recording apparatus capable of high-quality printing of black portions Masami Furuya, Toyohiro Takahashi 1997-01-21
5428378 Ink jet recording device and head unit Yuji Murata, Takeshi Fuse, Masami Furuya 1995-06-27
5422666 Recording method in inkjet recording apparatus 1995-06-06
5368402 Serial printer capable of promptly detecting abnormality in head carriage movement Toyohiro Takahashi, Masami Furuya, Kenichi Owa 1994-11-29
4955415 Pneumatic radial tire with groove platforms to prevent stone entrapment Akihiro Takeuchi 1990-09-11
D288080 Automobile tire 1987-02-03
4525049 Motor driving device of a camera Harumi Ogawa, Fumito Obikawa, Yoshiaki Otsubo, Hiroshi Wakabayashi, Tadashi Otani 1985-06-25