Inventor

RYOHEI SUMIYOSHI

Inventor

Overview

4→

Patents

2023–2025

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Kprimary

B60KArrangement or mounting of propulsion units or of transmissions in vehicles18%

E02FDredging18%

F15BSystems acting by means of fluids in general18%

F16HGearing18%

B60YIndexing scheme relating to aspects cross-cutting vehicle technology9%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers9%

LOC159%

PatentTitleYear

12,311,751Tank and method of manufacturing a tank2025 RE050366Hydraulic system for work machine, and work machine2025 D1023074Portion of a tractor2024 11,644,098Hydraulic system of work machine and work machine2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to KUBOTA KK (4)· patent assignee history

2023–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUBOTA KK	4	2023–2025

Locations

Location	Patents	Span
JP	4	2023–2025