KY

Kazuhisa Yokoyama

YC Yanmar Holdings Co.: 10 patents #20 of 636Top 4%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
YC Yanmar Power Technology Co.: 2 patents #50 of 202Top 25%
NC Nippon Metal Industry Co.: 1 patents #6 of 22Top 30%
Overall (All Time): #307,649 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12292734 Wireless communication terminal device 2025-05-06
11692592 Propeller shaft and production method for same Yasushi Akita, Kenichiro ISHIKURA, Tatsuya Shimoda 2023-07-04
11365765 Propeller shaft and production method for same Yasushi Akita, Kenichiro ISHIKURA, Tatsuya Shimoda 2022-06-21
11353864 Wireless communication terminal device 2022-06-07
10295998 Agricultural work vehicle 2019-05-21
10095241 Parallel travel work system Wataru Nakagawa 2018-10-09
9810131 Work vehicle Akimichi Iwata, Yuusuke Koike 2017-11-07
9763377 Running system of work vehicle 2017-09-19
9631530 Work vehicle with controls for regenerating exhaust gas purification device Yuusuke Koike, Akimichi Iwata 2017-04-25
7836982 Compact crawler type tractor Masafumi Tsujita, Kozo Kitayama, Yumiko Yamashita 2010-11-23
D559277 Tractor Masafumi Tsujita, Takashi Komaki, Yumiko Yamashita, Yoshiharu Kouchi 2008-01-08
D559278 Tractor Masafumi Tsujita, Takashi Komaki, Yumiko Yamashita, Yoshiharu Kouchi 2008-01-08
D507281 Crawler tractor Masakazu Komatsu, Mitsuyuki Hatanaka 2005-07-12
D499748 Crawler tractor Masakazu Komatsu, Mitsuyuki Hatanaka 2004-12-14
4936504 Process for producing a clad plate Hiroshi Arai, Seiichi Takeda, Masahiro Sasaki 1990-06-26