Hideo Koyata

This inventor holds 16 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 2 EPO patents. Top assignees: W. R. Grace Co.-Conn., Gcp Applied Technologies Inc., Nof Corporation. Active years: 1993-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Koyata. Retrieved from https://idiyas.com/inventor/hideo-koyata

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

USPTO Granted Patents = 16 (Patent Applications = 3)

% Patents Active = 93.8

CIPO Patents = 2 (Patent Applications = 2)

EPO Patents = 2 (Patent Applications = 4)

Average Co-Inventor Count = 3.6

ph-index = 11

Forward Citations = 604(Granted Patents)

Location History:

Waltham, MA (US) (1997 - 2003)
Kanagawa, JP (1993 - 2014)
Atsugi, JP (2011 - 2022)

Company Filing History:

14 out of 1,391

W. R. Grace Co.-Conn.

patents

1 out of 48

Gcp Applied Technologies Inc.

4. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1993-2022

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11352301 - Controllable high flow concrete (2022-06-07),

2. 9828500 - Hydrophobic, cationic polymers for treating construction aggregates (2017-11-28),

3. 9034968 - Cationic polymers for treating construction aggregates (2015-05-19),

4. 8685156 - Modifying clay activity and slump retention in cementitious compositions (2014-04-01),

5. 8168701 - Concrete or mortar admixture composition (2012-05-01),

6. 8070875 - Slump retention in cementitious compositions (2011-12-06),

7. 6670415 - Admixture for optimizing addition of EO/PO plasticizers (2003-12-30),

8. 6352952 - Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates (2002-03-05),

9. 5728207 - Cement admixture product having improved rheological properties and (1998-03-17),

10. 5643978 - Cement admixture product having improved rheological properties and (1997-07-01),

11. 5633298 - Cement admixture product having improved rheological properties and (1997-05-27),

12. 5583183 - Cement and cement composition having improved rheological properties (1996-12-10),

13. 5432212 - Dispersant composition for cement having excellent property in (1995-07-11),

14. 5393343 - Cement and cement composition having improved rheological properties (1995-02-28),

15. 5362323 - Cement admixture composition (1994-11-08),

Title: Hideo Koyata: Innovator in Concrete Technology

Introduction

Hideo Koyata is a prominent inventor based in Atsugi, Japan, known for his significant contributions to concrete technology. With a total of 16 patents to his name, Koyata has developed innovative solutions that enhance the performance and usability of concrete in construction.

Latest Patents

Koyata's latest patents include a groundbreaking invention titled "Controllable High Flow Concrete." This invention relates to a highly workable yet controllable concrete mix design, which utilizes specific aggregate/cement ratios and types characteristic of ready mix concrete (RMC). The design provides high fluidity similar to self-consolidating concrete (SCC), offering advantages in ease and speed of placement and finishability at construction sites. The inventive admixture combination involves two different polycarboxylate comb polymers and two specific viscosity modifying agents, enabling highly workable concrete to be placed in a controlled and efficient manner. Another notable patent is for "Hydrophobic, Cationic Polymers for Treating Construction Aggregates." This invention provides methods and admixture compositions for treating clay-bearing aggregates used in construction, enhancing the performance of cementitious compositions containing the treated aggregates.

Career Highlights

Throughout his career, Koyata has worked with notable companies such as W.R. Grace & Co. and Nof Corporation. His experience in these organizations has allowed him to refine his expertise in concrete technology and contribute to advancements in the field.

Collaborations

Koyata has collaborated with esteemed colleagues, including Byong-Wa Chun and Lawrence L. Kuo. These partnerships have fostered innovation and the development of new technologies in concrete applications.

Conclusion

Hideo Koyata's contributions to concrete technology through his patents and collaborations have significantly impacted the construction industry. His innovative approaches continue to enhance the performance and usability of concrete, making him a key figure in this field.

Profile summary based on public USPTO records.