Inventor
Naohiro Tarumoto
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds39%
C07CAcyclic or carbocyclic compounds17%
G03GElectrography17%
C07BGeneral methods of organic chemistry11%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
H05BElectric heating6%
H10KOrganic electric solid-state devices6%
PatentTitleYear
8,624,065'Methods for producing oxidized cyclic phenol sulfides'20148,263,786'Methods for producing cyclic phenol sulfides'20128,232,429'Methods for producing oxidized cyclic phenol sulfides'20127,901,858'Mixed cyclic phenol sulfides, and charge control agents and toners using the same'20117,862,905'Arylamine compound and organic electroluminescent device'20117,820,832'Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same'20107,709,172'Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2014Patents assigned to HODOGAYA CHEMICAL CO LTD (7)· patent assignee history
2010–2014Based in Tokyo, JP· patent location history
2011Based in Ibaraki, JP· patent location history
2012–2014Patents assigned to AOKI YOSHIKAZU (3)· patent assignee history
2012–2014Patents assigned to ITO MASAMI (3)· patent assignee history
2012–2014Patents assigned to TARUMOTO NAOHIRO (3)· patent assignee history
2012–2014Patents assigned to UMEKAWA MASAFUMI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HODOGAYA CHEMICAL CO LTD | 7 | 2010–2014 |
| AOKI YOSHIKAZU | 3 | 2012–2014 |
| ITO MASAMI | 3 | 2012–2014 |
| TARUMOTO NAOHIROself | 3 | 2012–2014 |
| UMEKAWA MASAFUMI | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2010–2014 |
| Ibaraki, JP | 1 | 2011 |