Takanao Taketomi

This inventor holds 10 USPTO granted patents. Top assignees: Takasago International Corporation, Takasago Perfumery Co., Ltd.. Active years: 1982-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanao Taketomi. Retrieved from https://idiyas.com/inventor/takanao-taketomi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 94(Granted Patents)

Location History:

Tokyo, JP (1992 - 1993)
Chiba, JP (1982 - 2001)

Company Filing History:

8 out of 512

Takasago International Corporation

patents

2 out of 47

Takasago Perfumery Co., Ltd.

patents

Years Active: 1982-2001

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6197996 - Process for preparing optically active carnitine ester (2001-03-06),

2. 5210332 - Iridium-optically active phosphine complex and process for producing (1993-05-11),

3. 5159093 - Iridium-optically active phosphine complex and process for producing (1992-10-27),

4. 5012002 - 2,2'-bis(di-(m-tolyl)phosphino)-1,1'-binaphthyl (1991-04-30),

5. 4906773 - Process for preparing optically active threonine (1990-03-06),

6. 4766227 - Ruthenium-phosphine complex (1988-08-23),

7. 4766225 - Ruthenium-phosphine complex (1988-08-23),

8. 4764629 - Ruthenium-phosphine complex (1988-08-16),

9. 4739084 - Ruthenium-phosphine complex (1988-04-19),

10. 4347387 - Process for preparing hydroxycitronellal (1982-08-31),

Title: The Innovations of Takanao Taketomi

Introduction

Takanao Taketomi is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of chemistry, particularly in the development of optically active compounds. With a total of 10 patents to his name, Taketomi's work has had a notable impact on various industries.

Latest Patents

Among his latest patents, Taketomi has developed a process for preparing optically active carnitine ester. This innovative process is represented by a specific formula, showcasing his expertise in organic chemistry. Additionally, he has created an iridium-optically active phosphine complex, which is also represented by a unique formula. These patents highlight his commitment to advancing chemical processes and materials.

Career Highlights

Throughout his career, Takanao Taketomi has worked with notable companies such as Takasago International Corporation and Takasago Perfumery Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various projects that emphasize innovation in the field of perfumery and chemical production.

Collaborations

Takanao has collaborated with esteemed colleagues, including Hidenori Kumobayashi and Susumu Akutagawa. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Takanao Taketomi's contributions to the field of chemistry through his patents and collaborations demonstrate his dedication to innovation. His work continues to influence the industry and inspire future inventors.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]