Hideki Sawai

This inventor holds 20 USPTO granted patents and 2 published patent applications, plus 7 CIPO patents and 16 EPO patents. Top assignees: Toray Industries, Inc., Mitsui Chemicals, Inc.. Active years: 2011-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideki Sawai. Retrieved from https://idiyas.com/inventor/hideki-sawai

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

USPTO Granted Patents = 20 (Patent Applications = 2)

% Patents Active = 70.0

CIPO Patents = 7

EPO Patents = 16 (Patent Applications = 2)

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 87(Granted Patents)

Location History:

Kanagawa, JP (2013 - 2017)
Tokai, JP (2015 - 2017)
Kamakura, JP (2011 - 2023)

Company Filing History:

19 out of 3,581

Toray Industries, Inc.

patents

1 out of 1,816

Mitsui Chemicals, Inc.

patents

Years Active: 2011-2023

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11597694 - Method for producing lactic acid and method for producing polylactic acid (2023-03-07),

2. 10683254 - Method for producing lactic acid and method for producing polylactic acid (2020-06-16),

3. 10428358 - Method of producing a chemical product (2019-10-01),

4. 10093747 - Method for production sugar liquid (2018-10-09),

5. 9644221 - Method of producing chemical by continuous fermentation and continuous fermentation apparatus (2017-05-09),

6. 9587253 - Method of producing chemical product with continuous fermentation and filtering (2017-03-07),

7. 9080190 - Method for producing cadaverine (2015-07-14),

8. 9018424 - Method of producing diol or triol (2015-04-28),

9. 8999681 - Method for producing cadaverine (2015-04-07),

10. 8871477 - Process for production of cadaverine (2014-10-28),

11. 8859260 - Expression cassette for lactase dehydrogenase, transformed yeast and method of producing lactic acid (2014-10-14),

12. 8822195 - Polypeptide having D-lactate dehydrogenase activity, polynucleotide encoding the polypeptide, and process for production of D-lactic acid (2014-09-02),

13. 8765405 - Method for producing sugar liquid (2014-07-01),

14. 8759045 - Lactic acid production method (2014-06-24),

15. 8669093 - Biocatalyst for production of D-lactic acid (2014-03-11),

Title: **Hideki Sawai: Innovator in Lactic Acid Production**

Introduction

Hideki Sawai, based in Kamakura, Japan, is a distinguished inventor known for his significant contributions to biotechnology and chemical engineering. With a remarkable portfolio of 20 patents, Sawai's work mainly focuses on innovative methods for producing lactic acid, a compound that plays a vital role in various industries including food and pharmaceuticals.

Latest Patents

Sawai's latest patents revolve around advanced techniques for producing lactic acid and polylactic acid. His innovative approach for lactic acid production involves a multi-step process:

(A) Continuous fermentation using a microorganism capable of lactic acid fermentation, followed by filtration through a porous membrane with specific pore sizes and controlled pressure.

(B) The subsequent filtering of the permeate through a nanofiltration membrane to further purify the product.

(C) Finally, the distillation of the permeate under controlled pressure and temperature conditions to recover lactic acid efficiently. This method enhances the yield and purity of lactic acid, making it suitable for various applications.

Career Highlights

Hideki Sawai has had an illustrious career, notably working with leading chemical companies including Toray Industries, Inc. and Mitsui Chemicals, Inc. His experience in these prominent firms has facilitated the development of his patented processes and has contributed greatly to the field of biopolymers and sustainable materials.

Collaborations

Throughout his career, Sawai has collaborated with notable professionals in the field, including Katsushige Yamada and Kenji Sawai. These collaborations have not only fostered innovation but have also led to the successful application of their collective expertise in various projects concerning lactic acid and its derivatives.

Conclusion

Hideki Sawai stands out as a leading figure in the realm of lactic acid production and bioprocessing technologies. His innovative patents and collaborative efforts have made significant contributions towards advancements in the biotechnology sector, solidifying his position as an influential inventor in contemporary science.

Profile summary based on public USPTO records.