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For the Inventor, By the Inventor

Tokushima, Japan

Norio Saito

This inventor holds 22 USPTO granted patents, primarily in Azetidinone Derivatives. Top assignees: Otsuka Kagaku Yakuhin Kabushiki Kaisha, Otsuka Kagaku Kabushiki Kaisha, Otsuka Chemical Co., Ltd.. Active years: 1983-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Saito. Retrieved from https://idiyas.com/inventor/norio-saito-5u054tty

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 5.8

ph-index = 4

Forward Citations = 65(Granted Patents)


Location History:

  • Itano, JP (1983 - 1987)
  • Okayama, JP (1984 - 1989)
  • Tokushima, JP (1983 - 2009)

Company Filing History:

goldMedal15 out of 45 
 
Otsuka Kagaku Yakuhin Kabushiki Kaisha
 patents
silverMedal5 out of 138 
 
Otsuka Kagaku Kabushiki Kaisha
 patents
bronzeMedal1 out of 167 
 
Otsuka Chemical Co., Ltd.
 patents
4. 1 out of 1 
 
Otsuke Kagaku Yakuhin Kabushiki Kaisha
 patent
5. 1 out of 320 
 
Taiho Pharmaceutical Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1983-2009

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Areas of Expertise:
Azetidinone Derivatives
Cephalosporin Compounds
Thiazolinoazetidinone
Bicyclic Intermediates
Halogenation Process
3-Exomethylenecepham
Ring Opening Process
2-Oxycephalosporin
Thiazolineazetidinone
β-Lactam Derivatives
Thiazolinozetidinone
Oxazolineazetidinone
22 patents (USPTO):Explore Patents
1. 7514553 - Process for producing penicillanic acid compound (2009-04-07),
2. 4958018 - Method for production of 3-exomethylenecepham derivatives (1990-09-18),
3. 4853468 - Process for the preparation of cephem derivatives (1989-08-01),
4. 4810788 - Azetidinone disulfide derivatives and a process for preparing the same (1989-03-07),
5. 4801720 - Azetidinone disulfides and a ring opening process for preparing the same (1989-01-31),
6. 4789740 - Halogenation process for preparing (1988-12-06),
7. 4784734 - Azetidinone derivatives and process for the preparation of the same (1988-11-15),
8. 4689411 - 4-thio azetidinone intermediates and process for the preparation of the (1987-08-25),
9. 4665166 - Process for preparing cephalosporin compounds (1987-05-12),
10. 4656264 - Bicyclic azetidinone intermediates (1987-04-07),
11. 4622178 - Process for preparing azetidinone derivatives (1986-11-11),
12. 4604457 - 2-substituted cephem derivatives and process for preparing the same (1986-08-05),
13. 4603014 - Thiazolinoazetidinone derivatives and process for the preparation of the (1986-07-29),
14. 4566996 - Process for preparing azetidinone derivatives (1986-01-28),
15. 4532077 - Thiazolineazetidinone-type compounds (1985-07-30),

Title: Norio Saito: Innovator in Pharmaceutical Chemistry

Introduction

Norio Saito is a renowned inventor based in Tokushima, Japan, with a remarkable portfolio of 22 patents. His contributions to the field of pharmaceutical chemistry, particularly in the production of penicillanic acid compounds and cepham derivatives, have significantly advanced medical science.

Latest Patents

One of Saito's latest patents is titled "Process for producing penicillanic acid compound." This patent outlines a method for preparing a penicillanic acid compound through the reaction of a halogenated penicillanic acid compound in the presence of a metal bismuth or its compounds. The process involves reacting with a metal that has a lower standard oxidation-reduction potential than bismuth, leading to the formation of the desired compound. Another notable patent is "Method for production of 3-exomethylenecepham derivatives," which details the production of 3-exomethylenecepham using a cephem compound and lead metal while maintaining specific pH conditions during the reaction.

Career Highlights

Throughout his career, Norio Saito has worked with reputable companies, such as Otsuka Pharmaceutical Co., Ltd., where he played a significant role in innovative pharmaceutical research and development. His expertise in synthetic organic chemistry has been pivotal in advancing new drug formulations and therapeutic compounds.

Collaborations

Saito has collaborated with distinguished individuals in the industry, including Hideo Tanaka and Michio Sasaoka. These collaborations have fostered an environment of shared knowledge and innovation, contributing to the successful development of various pharmaceutical products.

Conclusion

Norio Saito's contributions to pharmaceutical chemistry exemplify his dedication to innovation and improvement in medical treatments. His extensive patent portfolio not only emphasizes his inventive spirit but also highlights the significance of collaboration in the field of research and development. As he continues to push the boundaries of pharmaceutical science, Saito remains a key figure in shaping the future of healthcare.

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]
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