Inventor
SHIGEYUKI YORIKANE
Inventor
JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids44%
F04BPositive-displacement machines for liquids14%
F04DNon-positive-displacement pumps8%
F25BRefrigeration machines, plants or systems8%
F01CRotary-piston or oscillating-piston machines or engines6%
B05BSpraying apparatus4%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants2%
F16NLubricating2%
F24FAir-conditioning2%
PatentTitleYear
12,421,972Liquid-feed-type gas compressor202512,385,490Gas compressor202512,378,964Gas compressor202512,313,069Screw compressor202512,135,032Screw compressor having working chamber closing member to regulate suction working medium flow to a working chamber202412,123,413Screw compressor having a plurality of branch paths with intersects and central axes202412,110,889Screw compressor202412,104,599Liquid feed type gas compressor having a liquid supply system with first and second cooling units202412,078,172Multi-stage screw compressor202412,031,536Screw compressor and screw rotor202412,025,129Liquid supply type screw compressor202411,988,217Oil feed type air compressor202411,982,456Air compressor202411,965,510Compressor body and compressor to supply liquid into working chambers and whose downstream portion reaches a suction bearing chamber202411,933,300Screw compressor having a screw rotor whose pitch changes in an axial direction from a suction end surface toward a discharge end surface202411,873,817Liquid-feeding rotary-screw compressor202411,795,949Liquid level height detection in a gas-liquid separator of a liquid supply type gas compressor202311,719,241Screw compressor having a lubrication path for a plurality of suction side bearings202311,448,217Gas compressor202211,359,626Screw compressor having a plurality of branch paths with intersects and central axes202211,313,370Liquid-injected screw compressor202211,231,036Screw compressor having an opening of a fluid supply portion between the compression intersection line and a trajectory line2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (22)· patent assignee history
2022–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD | 22 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 22 | 2022–2025 |