TU

Takahisa Umezawa

GR Graphtec: 18 patents #1 of 62Top 2%
Overall (All Time): #251,008 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D976721 Data logger Makoto Iwadare 2023-01-31
D977002 X-Y plotter for cutting Hiroshi Ohtsuka 2023-01-31
D972006 X-Y plotter for cutting Hiroshi Ohtsuka 2022-12-06
D956134 Cutting plotter Kazuhiro Watanabe, Ryoichi Oka 2022-06-28
D951341 X-Y plotter for cutting Hiroshi Ohtsuka 2022-05-10
D874559 X-Y plotter for cutting Yuzuru Sekiguchi 2020-02-04
D864286 Cutting plotter Nobuyuki Kobayashi 2019-10-22
D852269 Cutting plotter Kazuhiro Watanabe 2019-06-25
D848877 Measurement data collector Makoto Iwadare 2019-05-21
D837290 Embossing machine Kazuhiro Watanabe 2019-01-01
D802657 Roll feeder for cutting plotter Kazuhiro Watanabe, Ryoichi Oka 2017-11-14
D797585 Measurement data collector Makoto Iwadare 2017-09-19
D797586 Measurement data collector Makoto Iwadare 2017-09-19
D795338 Cutting plotter Kazuhiro Watanabe 2017-08-22
D787961 Measurement data collector Makoto Iwadare 2017-05-30
D720395 Cutting plotter Kazuhiro Watanabe, Ryoichi Oka 2014-12-30
D680157 Cutting plotter Kazuhiro Watanabe 2013-04-16
D540855 Ink cartridge Michiharu Nishijima, Masahide Yonao 2007-04-17