Inventor
Ryohei Ashihara
Inventor
Neyagawa, JP
Overview
Patents· 8 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 energy53%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
C22CAlloys13%
PatentTitleYear
7,169,507'Manganese dry battery'20077,157,182'Battery'20076,500,584'Manganese dry batteries'20025,853,920'Method of manufacturing zinc-titanium mother alloy and manganese dry battery'19985,595,836'Manganese dry battery'19975,017,445'Dry cell'19914,965,149'Metal jacket and dry cell using the same'19904,927,719'Dry cell'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1990–2007Based in Neyagawa, JP· patent location history
1997–1998Patents assigned to MITSUI MINING & SMELTING CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 8 | 1990–2007 |
| MITSUI MINING & SMELTING CO | 2 | 1997–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neyagawa, JP | 8 | 1990–2007 |