Inventor
Yasuhiko Itoh
Inventor
Yawata, JP
Overview
18→
Patents
1987–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy24%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution24%
Y10TTechnical subjects covered by former us classification8%
H04BTransmission6%
B22FWorking metallic powder4%
C22CAlloys4%
F16HGearing4%
G01SRadio direction-finding4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B01DSeparation2%
PatentTitleYear
10,661,221Electrochemical hydrogen compression apparatus20206,849,359'Non-sintered nickel electrode for alkaline storage battery'20056,632,567'Nickel-metal hydride storage battery'20036,627,350'Negative electrode for lithium secondary battery'20036,599,663'Negative electrode for lithium secondary battery'20036,576,368'Positive active material for use in sealed alkaline storage batteries'20036,521,377'Positive electrode active material for alkaline storage batteries, positive electrode for alkaline storage batteries, and alkaline storage battery'20036,492,063'Lithium secondary battery'20026,479,189'Sealed alkaline storage battery with a manganese containing NiOH electrode'20026,420,068'Hydrogen storage alloy electrode and method for manufacture thereof'20026,284,409'Pasted hydrogen-absorbing alloy electrode for alkaline storage battery'20016,109,414'Shift lever device'20005,598,740'Automatic gear shift operating mechanism'19975,548,801'System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites'19965,543,813'System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites'19965,490,284'Satellite/land mobile communication system integration scheme'19964,686,157'Fuel cell power system'19874,658,892'Heat-transfer tubes with grooved inner surface'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2005Patents assigned to SANYO ELECTRIC CO (11)· patent assignee history
1987Patents assigned to HITACHI CABLE (1)· patent assignee history
1987–2003Based in Yawata, JP· patent location history
1987Based in Tsuchiura, JP· patent location history
1996Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (3)· patent assignee history
1996–2000Based in Tokyo, JP· patent location history
1997–2000Patents assigned to NISSAN MOTOR (2)· patent assignee history
1997Based in Zama, JP· patent location history
2003–2020Based in Kyoto, JP· patent location history
2020Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 11 | 1987–2005 |
| KOKUSAI DENSHIN DENWA CO LTD | 3 | 1996 |
| NISSAN MOTOR | 2 | 1997–2000 |
| HITACHI CABLE | 1 | 1987 |
| PANASONIC IP MAN CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yawata, JP | 9 | 1987–2003 |
| Tokyo, JP | 4 | 1996–2000 |
| Kyoto, JP | 3 | 2003–2020 |
| Zama, JP | 1 | 1997 |
| Tsuchiura, JP | 1 | 1987 |