HT

Hiroyuki Tsukamoto

SC Sumitomo Construction Machinery Co.: 24 patents #2 of 89Top 3%
YC Yachiyo Industry Co.: 7 patents #7 of 139Top 6%
WH Whill: 7 patents #3 of 25Top 15%
AC Aisin Aw Co.: 6 patents #321 of 2,011Top 20%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
NC Nissei Asb Machine Co.: 5 patents #27 of 103Top 30%
HM Hitachi Maxell: 5 patents #189 of 1,211Top 20%
YK Yachiyo Kogyo Kabushiki Kaisha: 4 patents #5 of 75Top 7%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
NC Nishikawa Rubber Co.: 1 patents #121 of 246Top 50%
JA Jatco: 1 patents #458 of 871Top 55%
Overall (All Time): #36,619 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDate
D1094200 Frame for personal mobility vehicles Gaku Komatsu 2025-09-23
12386346 Support device Masanori Shimizu, Hideto Watanabe, Tetsuo Hori, Tetsuya Yoshikawa 2025-08-12
12371879 Shovel and shovel diagnostic system Taiga Nanbu, Soutarou OTOH 2025-07-29
D1045694 Electric wheelchair Satoshi Sugie, Masahiro Toriyama 2024-10-08
D1045692 Electric wheelchair Satoshi Sugie, Masahiro Toriyama 2024-10-08
11866121 Electric mobility vehicle Satoshi Nakagawa, Masahiro Toriyama, Shogo Onishi, Ren Akama, Shuyu Hsu +1 more 2024-01-09
11828039 Shovel Takashi Nishi 2023-11-28
11821161 Shovel Takashi Nishi 2023-11-21
11802393 Shovel 2023-10-31
11781290 Shovel and output device of shovel Tomoki KUROKAWA 2023-10-10
11686065 Shovel Takeya IZUMIKAWA 2023-06-27
D990382 Electric wheelchair Satoshi Sugie, Masahiro Toriyama 2023-06-27
11492777 Shovel and system of managing shovel Tomoki KUROKAWA 2022-11-08
11434624 Shovel 2022-09-06
11299867 Shovel Tomoki KUROKAWA 2022-04-12
11230823 Shovel 2022-01-25
D940603 Basket of electric wheelchair Satoshi Sugie, Masahiro Toriyama 2022-01-11
11162244 Excavator controlling power of hydraulic pump according to orientation of front work machine 2021-11-02
D926087 Electric wheelchair Masahiro Toriyama, Satoshi Sugie 2021-07-27
10907322 Shovel 2021-02-02
10858810 Shovel management apparatus and shovel management method 2020-12-08
10858807 Shovel connectable with an information terminal 2020-12-08
10781574 Shovel 2020-09-22
10132056 Shovel 2018-11-20
10094094 Shovel connectable with an information terminal 2018-10-09