Inventor
Yoshiteru Nakagawa
Inventor
Yamatokoriyama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia29%
F16DCouplings for transmitting rotation14%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y10TTechnical subjects covered by former us classification14%
C10CWorking-up pitch, asphalt, bitumen, tar7%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons7%
PatentTitleYear
5,648,027'Porous carbonaceous material and a method for producing the same'19975,645,961'Zinc anode can of a battery, method of manufacture thereof, and manganese dry battery using such zinc can prepared by such method'19975,395,562'Method of producing mesocarbon microbeads and method for quality control of sintered mesocarbon products'19955,202,293'Carbon fiber reinforced carbon'19935,169,718'Sliding member'19924,986,895'Process for treating coal tar or coal tar pitch'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1997Patents assigned to OSAKA GAS CO LTD (5)· patent assignee history
1991–1997Based in Yamatokoriyama, JP· patent location history
1992–1993Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
1997Patents assigned to FDK CORP (1)· patent assignee history
1997Patents assigned to UNITIKA LTD (1)· patent assignee history
1997Based in Kosai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSAKA GAS CO LTD | 5 | 1991–1997 |
| TOYOTA MOTOR CO LTD | 2 | 1992–1993 |
| FDK CORP | 1 | 1997 |
| UNITIKA LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamatokoriyama, JP | 5 | 1991–1997 |
| Kosai, JP | 1 | 1997 |