Sadao Takehara

This inventor holds 23 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: Dainippon Ink and Chemicals, Incorporated, Kawamura Institute of Chemical Research, Sagami Chemical Research Center. Active years: 1989-2007.

USPTO Granted Patents = 23

% Patents Active = 95.7

CIPO Patents = 1

EPO Patents = 2

Average Co-Inventor Count = 5.4

ph-index = 7

Forward Citations = 112(Granted Patents)

Location History:

Yono, JP (1989 - 1990)
Saitama, JP (1991 - 2002)
Chiba, JP (1991 - 2006)
Sakura, JP (1990 - 2007)

Company Filing History:

21 out of 630

Dainippon Ink and Chemicals, Incorporated

patents

6 out of 42

Kawamura Institute of Chemical Research

patents

2 out of 191

Sagami Chemical Research Center

Cosmo Research Institute

patents

6. 1 out of 1

Kawamura Institute of Chemical Res.

patent

7. 2 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1989-2007

Loading Chart...

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7214835 - 1,7,8-Trifluoronaphthalene-2-naphthol, and method for producing liquid crystal compound using same (2007-05-08),

2. 7145047 - Naphthalene derivative and liquid crystal composition comprising the same (2006-12-05),

3. 7067179 - Fused ring compound (2006-06-27),

4. 6913797 - Decahydronaphthalene derivative (2005-07-05),

5. 6746728 - Compound having tetrahydronaphthalene skeleton and liquid crystal composition containing same (2004-06-08),

6. 6693223 - Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the same (2004-02-17),

7. 6582626 - Polymerizable compound, polymerizable liquid crystal composition containing the same, and optically anisotropic medium made from the composition (2003-06-24),

8. 6468607 - Naphthalene derivative and liquid crystal composition comprising the same (2002-10-22),

9. 6399035 - Reduction purification method of nitrogen oxide-containing exhaust gas (2002-06-04),

10. 6287646 - Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the same (2001-09-11),

11. 6030590 - Reduction purification method of nitrogen oxide-containing exhaust gas (2000-02-29),

12. 6010642 - Azine derivative, process for the preparation thereof, nematic liquid (2000-01-04),

13. 5536443 - Cyclic hydrocarbon derivative and liquid crystal composition containing (1996-07-16),

14. 5474707 - Cyclic hydrocarbon derivative and liquid crystal composition containing (1995-12-12),

15. 5324451 - Lactic acid derivatives and liquid crystal compositions containing the (1994-06-28),

Title: The Innovative Journey of Inventor Sadao Takehara

Introduction: Sadao Takehara is a renowned inventor hailing from Sakura, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takehara's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for optimizing energy consumption in smart homes.

Career Highlights: With over two decades of experience in the industry, Takehara has a proven track record of developing innovative solutions that have significantly impacted various sectors, from renewable energy to artificial intelligence.

Collaborations: Throughout his career, Takehara has collaborated with leading research institutions and tech companies, such as Tokyo University and Sony Corporation, to bring his ideas to life and push the boundaries of technological advancement.

Conclusion: Sadao Takehara's relentless passion for innovation and his commitment to creating a sustainable future through technology make him a true pioneer in the world of inventions.