TN

Takafumi Nakagawa

KS Kyocera Document Solutions: 9 patents #363 of 1,545Top 25%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
TS Taiyo Nippon Sanso: 2 patents #48 of 203Top 25%
TC Toho Kasei Co.: 2 patents #4 of 37Top 15%
Overall (All Time): #228,087 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12338088 Document sheet conveying device capable of achieving large capacity of sheet feed tray Yoshitaka Tokoro, Ren ISODA, Hirofumi Hagihara 2025-06-24
12221306 Document conveying device Yoshitaka Tokoro 2025-02-11
11652938 Document conveyance device and image forming system Yoshitaka Tokoro 2023-05-16
11572246 Document conveying apparatus that properly discharges documents regardless of amount of documents Yoshiaki Tashiro, Yoshitaka Tokoro, Kenichiro Kawasaki, Hirofumi Hagihara 2023-02-07
11390481 Document conveyance apparatus Kenichiro Kawasaki, Yoshiaki Tashiro, Yoshitaka Tokoro, Hirofumi Hagihara 2022-07-19
11252294 Document conveyance apparatus Yoshiaki Tashiro, Kenichiro Kawasaki, Yoshitaka Tokoro, Hirofumi Hagihara 2022-02-15
11215943 Fixing device for toner image to sheet and image forming apparatus provided with fixing device 2022-01-04
11117685 Artificial satellite and thrust balance adjustment method Masaya Hosoda, Yutaro Tanaka 2021-09-14
10941224 Composite resin material and molded body Hirokazu Yamamoto, Kazuya Ninomiya, Hirotaka ITAMI, Kentaro MIYOSHI, Katsunori Takada +1 more 2021-03-09
10920059 Composite resin material and molded article Hirokazu Yamamoto, Hirotaka ITAMI, Isamu Noguchi, Katsunori Takada, Yasuhito KODA +1 more 2021-02-16
10739709 Fixing device and image forming apparatus 2020-08-11
10394172 Coming-off stopping mechanism, fixing device and image forming apparatus 2019-08-27
8242643 Three-stable oscillating electromagnetic actuator Kazuki Takahashi, Mitsuru Tsukima 2012-08-14
7579780 Power supply apparatus Taichiro Tamida, Ikuro Suga, Hiroyuki Osuga, Toshiyuki Ozaki 2009-08-25
7560870 Power supply apparatus for ion accelerator Taichiro Tamida, Ikuro Suga, Hiroyuki Osuga, Toshiyuki Ozaki 2009-07-14
7102475 Magnetic actuator Mitsuru Tsukima, Toshie Takeuchi, Kenichi Koyama, Tetsuya Matsuda, Nobumoto Tohya 2006-09-05
6933827 Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator Toshie Takeuchi, Nobumoto Tohya, Mitsuru Tsukima, Yoshiharu Kobayashi, Hitoshi Gotou 2005-08-23
5057766 Apparatus for detecting position of charged particle Shuhei Nakata, Takashi Hifumi 1991-10-15
4737727 Charged beam apparatus Tadatoshi Yamada, Shiro Nakamura, Yuuichi Yamamoto 1988-04-12