Inventor
Hirofumi Tsuji
Inventor
Osaka, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography73%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%
A61KPreparations for medical, dental or toiletry purposes5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B41JTypewriters5%
F16HGearing5%
PatentTitleYear
10,838,322Toner conveying device and image forming apparatus202010,824,093Development device and image forming apparatus202010,824,091Development device and image forming apparatus202010,809,659Cleaning device and image forming apparatus202010,599,080Fixing device and image forming apparatus202010,175,630Image forming apparatus201910,114,313Toner conveying device, image forming apparatus201810,088,800Image forming apparatus20189,329,568'Developing device and image forming apparatus'20169,244,422'Cleaning device and image forming apparatus'20169,176,456'Image forming unit and image forming apparatus comprising first process roller and second process roller'20159,075,375'Driving device and image forming apparatus provided with same'20159,058,012'Photosensitive drum unit, and image forming apparatus using the same'20158,867,963'Driving mechanism and image forming apparatus comprising the same'20148,744,317'Electrification apparatus and image forming apparatus including the same'20148,543,049'Cleaning apparatus and image forming apparatus'20137,820,205'Platinum colloid-containing aqueous solution for treating schizophrenia'20107,455,401'Line-dot recorder'20086,455,594'Method for producing platinum colloid, and platinum colloid produced by the same'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Based in Tokyo, JP· patent location history
2008Patents assigned to HAMADA PRINTING PRESS (1)· patent assignee history
2008Based in Sanda, JP· patent location history
2010Based in Izu Shizuoka, JP· patent location history
2013–2020Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (16)· patent assignee history
2013–2014Patents assigned to TSUJI HIROFUMI (3)· patent assignee history
2013Patents assigned to GODA MITSUHIRO (1)· patent assignee history
2013Patents assigned to HANANO SUSUMU (1)· patent assignee history
2013Based in Nara, JP· patent location history
2014–2020Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KYOCERA DOCUMENT SOLUTIONS INC | 16 | 2013–2020 |
| TSUJI HIROFUMIself | 3 | 2013–2014 |
| GODA MITSUHIRO | 1 | 2013 |
| HAMADA PRINTING PRESS | 1 | 2008 |
| HANANO SUSUMU | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 15 | 2014–2020 |
| Nara, JP | 1 | 2013 |
| Izu Shizuoka, JP | 1 | 2010 |
| Sanda, JP | 1 | 2008 |
| Tokyo, JP | 1 | 2002 |