Kazunari Iwaki

This inventor holds 54 USPTO granted patents, primarily in Plant Breeding (CPC class A01H). Top assignees: Suntory Flowers Limited, Keisei Rose Nurseries, Inc., Kesei Rose Nurseries, Inc.. Active years: 2004-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunari Iwaki. Retrieved from https://idiyas.com/inventor/kazunari-iwaki

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

USPTO Granted Patents = 54

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 14(Granted Patents)

Forward Citations (Not Self Cited) = 12(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ohmihachiman, JP (2004 - 2005)
Omi-hachiman, JP (2005 - 2007)
Shiga, JP (2006 - 2008)
Kanagawa, JP (2008 - 2010)

Company Filing History:

54 out of 468

Suntory Flowers Limited

patents

18 out of 45

Keisei Rose Nurseries, Inc.

patents

1 out of 1

Kesei Rose Nurseries, Inc.

patent

where one patent can have more than one assignee

Years Active: 2004-2010

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Areas of Expertise:

Plant Breeding

Petunia

Antirrhinum

Torenia

Kyuikukan

Sunsurf

Sunkis

Sunreni

Flower Varieties

Horticulture

Genetic Improvement

Cultivar Development

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. PP21102 - plant named 'Kyuikukan 5' (2010-06-29),

2. PP20206 - Torenia plant named 'Sunrenibebu' (2009-08-04),

3. PP20134 - Antirrhinum plant named 'Sunkispinfu' (2009-06-30),

4. PP20133 - Antirrhinum plant named 'Sunkispinfufu' (2009-06-30),

5. PP20032 - Petunia plant named 'Sunsurfpinkai' (2009-05-26),

6. PP19717 - Petunia plant named 'Sunsurfhomi' (2009-02-17),

7. PP19708 - Torenia plant named 'Sunrenipink' (2009-02-10),

8. PP19682 - Petunia plant named 'Sunsurfkuri' (2009-02-10),

9. PP19560 - Petunia plant named 'Sunsurfpaspimi' (2008-12-09),

10. PP19531 - Torenia plant named 'Sunrenicoame' (2008-12-02),

11. PP19523 - Torenia plant named 'Sunreniripin' (2008-12-02),

12. PP19522 - Torenia plant named 'Sunrenicobaio' (2008-12-02),

13. PP19448 - Ipomoea plant named 'Kyuikukan 2' (2008-11-11),

14. PP19421 - Ipomoea plant named 'Kyuikukan 3' (2008-11-04),

15. PP19165 - Ipomoea plant named 'Kyuikukan 4' (2008-09-02),

Title: The Innovative Journey of Kazunari Iwaki: Pioneering Plant Breeder and Inventor

Introduction

Kazunari Iwaki, a renowned inventor and plant breeder hailing from Shiga, Japan, has left an indelible mark in the world of horticulture with his groundbreaking patents and inventions. With a remarkable portfolio of 54 patents to his name, Iwaki's expertise and passion for botanical innovation have reshaped the landscape of plant cultivation.

Latest Patents

Among his latest patents, Kazunari Iwaki introduced the world to the captivating plant cultivars 'Kyuikukan 5' and 'Sunrenibebu'. 'Kyuikukan 5' is distinguished by its compact and trailing growth habit, adorned with cordate-shaped leaves that transition from light green to dark purple as they mature. Meanwhile, 'Sunrenibebu' boasts a compact, mounding to trailing plant habit, with light violet-colored flowers and a long flowering period, making it a standout addition to any garden.

Career Highlights

Throughout his illustrious career, Kazunari Iwaki has made significant contributions to the field of horticulture through his work at esteemed companies such as Suntory Flowers Limited and Keisei Rose Nurseries, Inc. His innovative spirit and dedication to pushing the boundaries of plant breeding have earned him a reputation as a visionary in the industry.

Collaborations

In his collaborative efforts, Kazunari Iwaki has worked closely with talented individuals such as Takuro Ishihara and Shinya Miyano. Together, they have synergized their expertise to develop groundbreaking plant cultivars that have captivated plant enthusiasts and professionals alike.

Conclusion

In conclusion, Kazunari Iwaki stands as a beacon of innovation in the realm of plant breeding and inventions. His relentless pursuit of excellence and his creative approach to botanical challenges have led to the creation of unique and mesmerizing plant varieties that continue to inspire and delight individuals around the globe. Kazunari Iwaki's legacy as a pioneering inventor and plant breeder is sure to endure for generations to come.

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]