Inventor
Kenji Tokusa
Inventor
Shizuoka, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F24Fprimary
F24FAir-conditioning32%
F25BRefrigeration machines, plants or systems32%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
G05BControl or regulating systems in general5%
G05DSystems for controlling or regulating non-electric variables5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,253,567'Ice thermal storage type air conditioner and ice thermal storage tank'20015,956,962'Air conditioner'19995,689,965'Air conditioner'19975,279,131'Multi-airconditioner'19945,277,034'Air conditioning system'19945,214,918'Refrigerator and method for indicating refrigerant amount'19935,159,817'Refrigerant path apparatus'19925,148,977'Control system for air-conductioner'19925,065,588'Air-conditioner system'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2001Patents assigned to HITACHI LTD (9)· patent assignee history
1991–2001Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 9 | 1991–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 9 | 1991–2001 |