Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429110 | Friction transmission belt | Yuya Shindo, Shogo Kobayashi | 2025-09-30 |
| 12268122 | Work vehicle and grass mowing machine | Katsuhiko Uemura, Yasuhiro Manji, Ryo Ikeda | 2025-04-08 |
| 12120982 | Electric work vehicle and mower unit | Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji | 2024-10-22 |
| 11937538 | Work vehicle and grass mowing machine | Katsuhiko Uemura, Yasuhiro Manji, Ryo Ikeda | 2024-03-26 |
| 11632906 | Electric grass cutting machine | Hirokazu Ito, Katsuhiko Uemura | 2023-04-25 |
| 11589505 | Housing and electric mower | Hirokazu Ito | 2023-02-28 |
| 11582909 | Mower unit | Hirokazu Ito | 2023-02-21 |
| 11529940 | Electric power control device | Yasuhiro Manji | 2022-12-20 |
| 11490562 | Grass mowing work evaluation system | Katsuhiko Uemura | 2022-11-08 |
| 11485212 | Electric work vehicle | Hirokazu Ito, Junichi Yamanaka | 2022-11-01 |
| 11486420 | Electric work vehicle | Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji | 2022-11-01 |
| 11433771 | Electric travelling vehicle and grass mower | Hirokazu Ito, Yasuhiro Manji | 2022-09-06 |
| 11388372 | Biological state detecting apparatus and biological state detection method | Makoto Atoji, Tomohito NAGATA, Noritaka Shimizu | 2022-07-12 |
| 11273716 | Electric work vehicle | Hirokazu Ito, Masahiro Yamada, Tomohiko Hisakuni | 2022-03-15 |
| 11247652 | Non-excitation operable electromagnetic brake | Hirokazu Ito | 2022-02-15 |
| 11102928 | Electric work vehicle and mower unit | Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji | 2021-08-31 |
| 10925210 | Work vehicle for managing a lawn based on lawn activity | Katsuhiko Uemura | 2021-02-23 |
| 10850622 | Electric travelling vehicle and grass mower | Hirokazu Ito, Yasuhiro Manji | 2020-12-01 |
| 10602660 | Work vehicle | Yasuhiro Manji, Katsuhiko Uemura | 2020-03-31 |
| 10538166 | Portable charger device, contactless charger system for electric work vehicle and electric grass mower machine | Hirokazu Ito, Yasuhiro Manji | 2020-01-21 |
| 10477759 | Grass mower | Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji | 2019-11-19 |
| 10029571 | Electric work vehicle | Hirokazu Ito | 2018-07-24 |
| 7890232 | Airbag system | Hiroyuki Komaki, Yasushi Tani | 2011-02-15 |