Inventor
YUKI TANIYAMA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters33%
F24FAir-conditioning22%
F04BPositive-displacement machines for liquids11%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids11%
F25BRefrigeration machines, plants or systems11%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
PatentTitleYear
12,442,374Screw compressor with improved suction flow202512,323,081Drive device, fluid utilization device, and air conditioner202512,323,068Power conversion device202511,705,847Drive device for AC motor, compressor drive device, and refrigeration cycle device202311,287,145Fluid machine2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (2)· patent assignee history
2022–2025Based in JP· patent location history
2023–2025Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 3 | 2023–2025 |
| HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD | 2 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2022–2025 |