Inventor
Kishio Tamura
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography52%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%
C07BGeneral methods of organic chemistry5%
F15BSystems acting by means of fluids in general5%
G02BOptical elements, systems or apparatus5%
G03HHolographic processes or apparatus5%
G11BInformation storage based on relative movement between record carrier and transducer5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
11,085,468Hydraulic cylinder202111,084,8352,3-bisphosphinopyrazine derivative, method for producing same, transition metal complex, asymmetric catalyst, and method for producing organic boron compound202111,053,265Optically active substituted 2,3-bisphosphinoquinoxalines and processes for producing the same202110,534,121Holographic optical element and method for producing the same202010,108,102Fixing solution and image forming method20189,360,785'Toner for electrostatic image development, two-component developer, and image formation process'20168,874,019'Image forming method'20148,811,879'Image forming method'20147,634,217'Electrophotographic image forming method using a double walled toner cartridge'20096,475,688'Electrophotographic toner, and image forming apparatus and image forming method using the same'20026,090,517'Two component type developer for electrostatic latent image'20005,795,691'Developer for electrostatic latent image development'19985,643,704'Two-component type developer for developing an electrostatic image'19975,631,116'Carrier for electrophotographic use'19975,527,558'Method for preparation of a carrier for developing an electrostatic charge image'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to KONISHIROKU PHOTO IND (6)· patent assignee history
1996–2020Based in Hachioji, JP· patent location history
1998Based in Toyko, JP· patent location history
2009–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (3)· patent assignee history
2009–2021Based in Tokyo, JP· patent location history
2014Patents assigned to FUJISAKI NATSUKO (2)· patent assignee history
2014Patents assigned to HORI ANJU (2)· patent assignee history
2016–2020Patents assigned to KONICA MINOLTA INC (3)· patent assignee history
2021Based in Noda-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONISHIROKU PHOTO IND | 6 | 1996–2002 |
| KONICA MINOLTA BUSINESS TECH | 3 | 2009–2014 |
| KONICA MINOLTA INC | 3 | 2016–2020 |
| FUJISAKI NATSUKO | 2 | 2014 |
| HORI ANJU | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2009–2021 |
| Hachioji, JP | 6 | 1996–2020 |
| Noda-shi, JP | 1 | 2021 |
| Toyko, JP | 1 | 1998 |