Inventor
Masami Kadonaga
Inventor
Yokohama, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters54%
G03GElectrography31%
B82YSpecific uses or applications of nanostructures8%
H05FStatic electricity8%
PatentTitleYear
7,194,224'Image forming apparatus, image forming process, and process cartridge'20076,449,449'Apparatus for image forming and charging capable of effectively maintaining a charge potential'20026,157,795'Image forming apparatus and method configured to reduce a transfer charge at a nip'20006,058,003'Electrostatic charger and discharger'20005,955,228'Method and apparatus for forming a powder image'19995,600,356'Liquid jet recording head having improved radiator member'19975,420,618'Ink jet recording method and apparatus having drop size control by using plural control electrodes'19955,412,413'Method and apparatus for making liquid drop fly to form image by generating bubble in liquid'19955,389,962'Ink jet recording head assembly'19955,359,350'Method of driving ink jet printing head'19945,270,740'Ink jet head'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2007Patents assigned to RICOH KK (10)· patent assignee history
1993–2002Based in Yokohama, JP· patent location history
2000Patents assigned to HAMAMATSU PHOTONICS KK (1)· patent assignee history
2000–2007Based in Kanagawa, JP· patent location history
2000Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 10 | 1993–2007 |
| HAMAMATSU PHOTONICS KK | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 8 | 1993–2002 |
| Kanagawa, JP | 2 | 2000–2007 |
| Hamamatsu, JP | 1 | 2000 |