Inventor
Tsutomu Takamura
Inventor
Kawasaki, JP
Overview
10→
Patents
1976–2003
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 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 energy29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%
B04BCentrifuges14%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
B01DSeparation5%
C23CCoating metallic material5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
6,602,178'Desk-top centrifuge having improved safety in the event of an operational failure'20035,738,622'Centrifugal separator and a method of detecting unbalance of a rotor'19985,649,893'Centrifugal apparatus having series-implemented protection means'19974,483,694'Oxygen gas permselective membrane'19844,407,907'Air electrode'19834,371,397'Chemical copper-plating bath'19834,107,403'Electrochemical cell'19784,037,033'Rechargeable nickel-zinc battery'19773,961,985'Nickel-zinc cell'19763,951,687'Nickel-zinc storage battery'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1984Patents assigned to TOKYO SHIBAURA ELECTRIC CO (7)· patent assignee history
1976–1978Based in Kawasaki, JP· patent location history
1983–1984Based in Yokohama, JP· patent location history
1997–2003Patents assigned to HITACHI KOKI KK (3)· patent assignee history
1997–1998Based in Hitachinaka, JP· patent location history
2003Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO SHIBAURA ELECTRIC CO | 7 | 1976–1984 |
| HITACHI KOKI KK | 3 | 1997–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 4 | 1976–1978 |
| Yokohama, JP | 3 | 1983–1984 |
| Hitachinaka, JP | 2 | 1997–1998 |
| Ibaraki, JP | 1 | 2003 |