Inventor
Hiroshi Ejiri
Inventor
Kamisu, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons13%
B23PMetal-working not otherwise provided for9%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling9%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C01BNon-metallic elements4%
C10CWorking-up pitch, asphalt, bitumen, tar4%
PatentTitleYear
6,528,036'Milled carbon fiber and process for producing the same'20036,303,095'Milled carbon fiber and process for producing the same'20016,022,518'Surface graphitized carbon material and process for producing the same'20005,792,577'Negative electrode material for use in lithium-ion secondary battery and process for producing the same'19985,629,062'Fiber reinforced plastic pipe and process for producing the same'19975,356,574'Process for producing pitch based activated carbon fibers and carbon fibers'19945,303,465'Method of assembling piston ring and method of assembling set oil ring and apparatus for assembling set oil ring'19944,934,047'Assembly machine'19904,354,306'Machine tool having replaceable gang heads'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1994Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
1982Based in Kawagoe, JP· patent location history
1990Based in Saitama, JP· patent location history
1994–2001Patents assigned to PETOCA LTD (5)· patent assignee history
1994–2001Based in Kamisu, JP· patent location history
1994Based in Sayama, JP· patent location history
2003Patents assigned to KASHIMA OIL (1)· patent assignee history
2003Based in Kashima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PETOCA LTD | 5 | 1994–2001 |
| HONDA MOTOR CO LTD | 3 | 1982–1994 |
| KASHIMA OIL | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kamisu, JP | 5 | 1994–2001 |
| Kashima, JP | 1 | 2003 |
| Sayama, JP | 1 | 1994 |
| Saitama, JP | 1 | 1990 |
| Kawagoe, JP | 1 | 1982 |