Takahiro Fujiyama
Inventor
Stats
- 14 US patents issued
- 52 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 14 US Patents Issued
- 52 US Applications Filed
- 230 Total Citation Count
- Jun 27, 2024 Most Recent Filing
- May 6, 1996 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| YAMAMOTO CHEMICALS, INC. | 2
| 2008
|
| IDEMITSU KOSAN CO., LTD. | 1
7 7 4 4 | 2010
2012 2013 2014 2015 |
| MITSUI CHEMICALS, INC. | 1
1 1 1 1 2 | 1996
1997 1998 1999 2002 2005 |
Inventor Addresses
| Address | Duration |
|---|---|
| Chiba, JP | May 08, 03 - Aug 07, 18 |
| KIisarazu-shi, JP | Sep 08, 22 - Sep 08, 22 |
| Kanagawa, JP | Jun 28, 18 - Apr 30, 24 |
| Kisarazu, JP | Jul 27, 10 - Sep 13, 22 |
| Kisarazu-shi, JP | Sep 20, 07 - Oct 27, 22 |
| Kisarazu-shi,, JP | Nov 10, 16 - Nov 10, 16 |
| Osaka, JP | Mar 06, 14 - May 08, 18 |
| Sodegaura, JP | Sep 21, 99 - Oct 23, 12 |
| Sodegaura-shi, JP | Jan 20, 11 - Jan 20, 11 |
| Suwon-si, KR | Jul 06, 23 - Jul 06, 23 |
| Tsurumi-ku, JP | Jul 25, 24 - Jul 25, 24 |
| Yao, JP | Mar 17, 15 - Aug 13, 24 |
| Yao-shi, JP | Nov 14, 13 - Oct 24, 24 |
| Yokohama, JP | Sep 12, 00 - Dec 24, 24 |
| Yokohama-city, JP | Jun 30, 22 - Jun 30, 22 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B82Y: | SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE OR TREATMENT OF NANO-STRUCTURES | 2 |
| C07C: | ACYCLIC OR CARBOCYCLIC COMPOUNDS | 16 |
| C07D: | HETEROCYCLIC COMPOUNDS | 24 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 12173114 | 2024 | Copolymer, electroluminescence device material including copolymer, and electroluminescence device | 0 |
| 2024/0357,923 | 2024 | NITROGENATED AROMATIC HETEROCYCLIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME | 0 |
| 12063851 | 2024 | Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same | 0 |
| 2024/0247,104 | 2024 | POLYMER COMPOUND, COMPOSITION, ORGANIC FILM, AND ELECTROLUMINESCENT DEVICE COMPRISING POLYMER COMPOUND, AND METHOD OF PREPARING ELECTROLUMINESCENT DEVICE | 0 |
| 2024/0247,098 | 2024 | COPOLYMER, ELECTROLUMINESCENCE DEVICE MATERIAL INCLUDING COPOLYMER, AND ELECTROLUMINESCENCE DEVICE | 0 |
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