Inventor
Koichi Imai
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons21%
A43BCharacteristic features of footwear7%
A61KPreparations for medical, dental or toiletry purposes7%
A61LMethods or apparatus for sterilising materials or objects in general7%
A61NElectrotherapy7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
A61QSpecific use of cosmetics or similar toiletry preparations7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like7%
PatentTitleYear
8,796,925'Discharge tube'20148,561,530'Wire bobbin binding device and automatic bobbin winding device using wire bobbin binding device'20136,597,004'Powdered far-infrared radiator and method of making the same'20035,227,142'Production apparatus for vapor-grown fine fibers'19934,925,604'Process for preparing a carbon fiber of high strength'19904,902,762'Process for preparing carbon fibers of high strength'19904,814,129'Process for producing stabilized yarn for producing carbon fiber'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1993Patents assigned to NIKKISO CO LTD (4)· patent assignee history
1989–1993Based in Tokyo, JP· patent location history
1990Based in Fujieda, JP· patent location history
2003Based in Kasugai, JP· patent location history
2013–2014Patents assigned to IMAI KOICHI (2)· patent assignee history
2013Patents assigned to IMAI MACHINE WORKS INC (1)· patent assignee history
2013Based in Ohtawara, JP· patent location history
2014Patents assigned to HANAMURA YOSHIKAZU (1)· patent assignee history
2014Patents assigned to NISHIGATA TAKESHI (1)· patent assignee history
2014Based in Hanyu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIKKISO CO LTD | 4 | 1989–1993 |
| IMAI KOICHIself | 2 | 2013–2014 |
| HANAMURA YOSHIKAZU | 1 | 2014 |
| IMAI MACHINE WORKS INC | 1 | 2013 |
| NISHIGATA TAKESHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1989–1993 |
| Hanyu, JP | 1 | 2014 |
| Ohtawara, JP | 1 | 2013 |
| Kasugai, JP | 1 | 2003 |
| Fujieda, JP | 1 | 1990 |