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For the Inventor, By the Inventor

Daito, Japan

Hiroki Kobayashi

This inventor holds 26 USPTO granted patents and 3 EPO patents, primarily in Mobile Communication Devices. Top assignees: Kyocera Corporation, Yuyama Mfg. Co., Ltd., Microsoft Technology Licensing, LLC. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Kobayashi. Retrieved from https://idiyas.com/inventor/hiroki-kobayashi-4x32f16q

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

USPTO Granted Patents = 26

% Patents Active = 69.2


Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 87(Granted Patents)


Location History:

  • Osaka, JP (2009 - 2018)
  • Daito, JP (2014 - 2018)
  • Kyoto, JP (2019)
  • Minamikoma-gun, JP (2022)

Company Filing History:

goldMedal23 out of 6,934 
 
Kyocera Corporation
 patents
silverMedal2 out of 249 
 
Yuyama Mfg. Co., Ltd.
 patents
bronzeMedal1 out of 56,279 
 
Microsoft Technology Licensing, LLC
 patents
4. 1 out of 4,260 
 
Sony Group Corporation
 patents
where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:
Liquid Ejection Head
Recording Device
Wireless Communication
Mobile Phone
Touch Panel
Electronic Device
Display Control
Notification Control
Portable Terminal
User Generated Content
Medicine Delivering Device
26 patents (USPTO):Explore Patents
1. RE51083 - Liquid ejection head and recording device (2026-10-20),
2. RE50644 - Liquid ejection head and recording device (2025-10-21),
3. 11351782 - Liquid ejection head and recording device (2022-06-07),
4. 10173423 - Passage member, liquid discharge head using same, and recording device (2019-01-08),
5. 10101899 - Wireless communication device and information communication method (2018-10-16),
6. 9967392 - Mobile phone with touch panel for responding to incoming calls (2018-05-08),
7. 9836181 - Widget control of an electronic device (2017-12-05),
8. 9736285 - Communication terminal device (2017-08-15),
9. 9729703 - Mobile terminal, non-transitory computer readable recording medium, and notification control method (2017-08-08),
10. 9659547 - Method and device for displaying images and text in accordance with a selected pattern (2017-05-23),
11. 9652877 - Electronic device, recording medium, and method of controlling display of push-to-talk information on electronic device (2017-05-16),
12. 9560190 - Mobile phone with touch panel for responding to incoming calls (2017-01-31),
13. 9521248 - Portable terminal and lock state cancellation method (2016-12-13),
14. 9485351 - Mobile terminal device and control method for mobile terminal device (2016-11-01),
15. 9436218 - Electronic device (2016-09-06),

Title: Hiroki Kobayashi: Innovating Liquid Ejection Technologies

Introduction

Hiroki Kobayashi, an accomplished inventor based in Daito, Japan, has made significant contributions to the field of liquid ejection technologies. With an impressive portfolio of 24 patents, he has spearheaded innovations that enhance the functionality and efficiency of recording devices.

Latest Patents

Among his latest inventions is the liquid ejection head, which features a sophisticated channel member designed for optimal liquid discharge. This invention includes an ejection hole surface paired with a pressurization chamber surface, ensuring precise liquid ejection through multiple openings. Additionally, he has developed a passage member that comprises several plates with openings to facilitate liquid flow, incorporating adhesive spill holes for improved structural integrity.

Career Highlights

Hiroki Kobayashi has had a notable career at reputable companies such as Kyocera Corporation and Yuyama Manufacturing Co., Ltd. His experience at these institutions has greatly influenced his inventive processes and led to remarkable advancements in liquid ejection technology.

Collaborations

Throughout his career, Kobayashi has collaborated with talented coworkers, including Hiroyuki Okamoto and Ryosuke Kawabata. These partnerships have fostered creativity and further propelled innovation within their projects.

Conclusion

In conclusion, Hiroki Kobayashi stands out as a key figure in the realm of liquid ejection technology. His collection of patents not only showcases his inventive capabilities but also highlights his commitment to advancing industry standards. With ongoing contributions to technology, Kobayashi's work will undoubtedly leave a lasting impact in the field.

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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