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Inventor

RYUHEI KAJI

Inventor
JP

Overview

5→
Patents
2024–2026
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F25Bprimary
F25BRefrigeration machines, plants or systems50%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
F24FAir-conditioning10%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
Y02ATechnologies for adaptation to climate change10%
PatentTitleYear
12,590,742Refrigerant recovery system202612,163,706Refrigeration apparatus202412,044,452Heat pump device using a non-azeotropic mixture refrigerant202411,976,859Refrigeration cycle apparatus202411,859,882Refrigeration cycle apparatus2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2026Patents assigned to DAIKIN IND LTD (5)· patent assignee history
2024–2026Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD52024–2026
Locations
LocationPatentsSpan
JP52024–2026