Kouichi Iwanaga

This inventor holds 13 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Takeda Pharmaceutical Company Limited, Matsushita Electric Works, Ltd.. Active years: 1981-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Iwanaga. Retrieved from https://idiyas.com/inventor/kouichi-iwanaga

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

USPTO Granted Patents = 13 (Patent Applications = 2)

% Patents Active = 84.6

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 4.7

ph-index = 6

Forward Citations = 181(Granted Patents)

Location History:

Hikone, JP (1981 - 1989)
Kanagawa i, JP (2014)
Osaka, JP (1984 - 2015)
Kanagawa, JP (2016)
Fujisawa, JP (2020 - 2023)

Company Filing History:

8 out of 1,226

Takeda Pharmaceutical Company Limited

patents

5 out of 1,623

Matsushita Electric Works, Ltd.

patents

Years Active: 1981-2026

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12630509 - Heterocyclic NMDA antagonists (2026-05-19),

2. 11702419 - Heterocyclic compound and use thereof (2023-07-18),

3. 10807987 - Heterocyclic compound and use thereof (2020-10-20),

4. 9527807 - Sulfonamide derivative and use thereof (2016-12-27),

5. 9221836 - Heterocyclic compound and use thereof (2015-12-29),

6. 9045436 - Heterocyclic compound and use thereof (2015-06-02),

7. 8664380 - Heterocyclic compound and use thereof (2014-03-04),

8. 8466282 - Heterocyclic compound and use thereof (2013-06-18),

9. 4829226 - Rechargeable battery pack and charger unit combination (1989-05-09),

10. 4825546 - Hair clipper (1989-05-02),

11. 4442596 - Casing of a washable electric appliance (1984-04-17),

12. 4363169 - Electric shaver (1982-12-14),

13. 4284944 - Battery charging device having battery state indicating function (1981-08-18),

Title: **Kouichi Iwanaga: Innovator in Pharmaceutical Chemistry**

Introduction

Kouichi Iwanaga, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of pharmaceutical chemistry. With a remarkable portfolio of 12 patents, Iwanaga has focused his research on developing innovative compounds that target various medical conditions, enhancing treatment options for patients around the world.

Latest Patents

Among his latest inventions, Iwanaga has developed a heterocyclic compound with potential therapeutic applications. This compound exhibits antagonistic action on an NMDA receptor containing the NR2B subunit. It is expected to be beneficial in the prophylaxis and treatment of major depression, bipolar disorder, migraine, pain, and behavioral and psychological symptoms associated with dementia. The compound, represented by a specific formula, highlights Iwanaga's commitment to advancing medical science and addressing pressing health challenges.

Career Highlights

Kouichi Iwanaga has held influential positions at notable companies, including Takeda Pharmaceutical Company Limited and Matsushita Electric Works, Ltd. His expertise and innovative mindset have allowed him to contribute meaningfully to advancements in pharmaceuticals, particularly in the development of compounds with substantial therapeutic benefits.

Collaborations

Throughout his career, Iwanaga has collaborated with esteemed colleagues such as Takanobu Kuroita and Yasuhiro Imaeda. These partnerships have facilitated the exchange of ideas and techniques, fostering an environment rich in innovation and creativity.

Conclusion

Kouichi Iwanaga's groundbreaking work in the realm of heterocyclic compounds underscores the vital role of inventors in the pharmaceutical industry. His patents not only reflect his ingenuity but also promise to significantly impact treatments for various medical conditions, paving the way for future innovations in healthcare.

Profile summary based on public USPTO records.