Inventor
Tsutomu Sakuma
Inventor
Saitama, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems19%
F25DRefrigerators17%
B62KCycles8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
B62JCycle saddles or seats6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B01DSeparation3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
F02BInternal-combustion piston engines3%
PatentTitleYear
7,448,226'Refrigerator'20087,302,398'Health management support method, system and healthy life expectancy prediction data generation method and system'20077,143,591'Refrigerator'20066,504,269'Input device and electronic appliance using the same'20036,460,357'Two-evaporator refrigerator having a bypass and channel-switching means for refrigerant'20026,397,608'Refrigerator'20026,370,895'Refrigerator with two evaporators'2002D0427944'Motorcycle'20005,381,671'Air conditioning apparatus with improved ice storage therein'19955,201,188'Refrigerant recycling system with refrigeration recovering scheme'19934,913,256'Motorcycle'19904,813,511'Motorcycle'1989D0299447'Motorcycle'19894,776,422'Motorcycle with fairing'19884,776,624'Rearview mirror mounting apparatus for vehicle'19884,759,620'Back-mirror device for small-sized vehicles'19884,741,545'Front wheel steering device for motor vehicles'1988D0294925'Tire for autocycle'19884,723,621'Motorcycle'19884,719,755'Stirling engine'19884,414,139'Catalyst carriers for purification of waste gas and process for preparing the same'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1993Based in Yokohama, JP· patent location history
1988–2000Patents assigned to HONDA MOTOR CO LTD (10)· patent assignee history
1988–2008Patents assigned to TOSHIBA KK (7)· patent assignee history
1988Patents assigned to MATSUYAMA SEISAKUSHO (1)· patent assignee history
1988–2000Based in Saitama, JP· patent location history
1988Based in Shiki, JP· patent location history
2002–2007Based in Tokyo, JP· patent location history
2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2003–2008Based in Osaka, JP· patent location history
2007Patents assigned to HITACHI LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONDA MOTOR CO LTD | 10 | 1988–2000 |
| TOSHIBA KK | 7 | 1988–2008 |
| HITACHI LTD | 1 | 2007 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 1 | 2003 |
| MATSUYAMA SEISAKUSHO | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 7 | 1988–2000 |
| Tokyo, JP | 3 | 2002–2007 |
| Yokohama, JP | 3 | 1983–1993 |
| Shiki, JP | 3 | 1988 |
| Osaka, JP | 2 | 2003–2008 |