Inventor
Kouichi Hanada
Inventor
Kyoto, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography27%
G09GArrangements or circuits for control of indicating devices using static means to present variable information18%
H03FAmplifiers18%
H04NPictorial communication, e.g. television18%
G01KMeasuring temperature9%
H03MCoding9%
PatentTitleYear
8,159,717'Image processing apparatus'20128,045,209'Image processing apparatus'20117,692,492'Operational amplifier'20107,532,076'Operational amplifier'20096,992,647'Organic EL drive circuit and organic EL display device using the same'20066,586,888'Organic EL drive circuit and organic EL display device using the same'20035,366,291'Temperature sensing device for a rotating fixing roller'19944,978,111'Recording sheet stacking apparatus in image recording system'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to KONISHIROKU PHOTO IND (2)· patent assignee history
1990–1994Based in Hachioji, JP· patent location history
2003–2010Patents assigned to ROHM CO LTD (4)· patent assignee history
2003–2010Based in Kyoto, JP· patent location history
2011–2012Patents assigned to KONICA MINOLTA BUSINESS TECH (2)· patent assignee history
2011–2012Based in Yokohama, JP· patent location history
2012Patents assigned to HANADA KOUICHI (1)· patent assignee history
2012Patents assigned to ITO HIROJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 4 | 2003–2010 |
| KONICA MINOLTA BUSINESS TECH | 2 | 2011–2012 |
| KONISHIROKU PHOTO IND | 2 | 1990–1994 |
| HANADA KOUICHIself | 1 | 2012 |
| ITO HIROJI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 4 | 2003–2010 |
| Yokohama, JP | 2 | 2011–2012 |
| Hachioji, JP | 2 | 1990–1994 |