logo

For the Inventor, By the Inventor

Osaka, Japan

Hirohisa Kikuyama

This inventor holds 32 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Fluoride Processing. Top assignees: Stella Chemifa Kabushiki Kaisha, Stella Chemifa Corporation, Hashimoto Chemical Industries Co., Ltd.. Active years: 1989-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Kikuyama. Retrieved from https://idiyas.com/inventor/hirohisa-kikuyama

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

USPTO Granted Patents = 32 

% Patents Active = 46.9


Average Co-Inventor Count = 4.2

ph-index = 10

Forward Citations = 305(Granted Patents)


Location History:

  • Nara-shi, Nara-ken, JP (1991)
  • Nara, JP (1989 - 2001)
  • Izumiotsu, JP (2003)
  • Sakai-shi, Osaka-fu JP (2004)
  • Osaka-fu, JP (2000 - 2006)
  • Izumiootsu, JP (2007 - 2012)
  • Osaka, JP (2003 - 2013)

Company Filing History:

goldMedal15 out of 15 
 
Stella Chemifa Kabushiki Kaisha
 patents
silverMedal5 out of 52 
 
Stella Chemifa Corporation
 patents
bronzeMedal4 out of 6 
 
Hashimoto Chemical Industries Co., Ltd.
 patents
4. 2 out of 3 
 
Fukuda Crystal Laboratory
 patents
5. 1 out of 37 
 
Frontec Incorporated
 patents
6. 1 out of 6 
 
Hashimoto Chemical Co., Ltd.
 patents
7. 1 out of 1 
 
Hashimoto Kasei Kabushiki-Kaisya
 patent
8. 1 out of 1 
 
Stella Chemifa Coporation
 patent
9. 5 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2013

Loading Chart...
Loading Chart...
Areas of Expertise:
Fluoride Crystal
Surface Treatment
Carbon Nanotube
Scintillator
Purification
Etchant
Micromachining
Lithium Hexafluorophosphate
Hydrogen Fluoride
Tungsten Hexafluoride
Passive Fluoride Film
Fine Processing
32 patents (USPTO):Explore Patents
1. 8501138 - Production method of high purity silver tetrafluoroborate (2013-08-06),
2. 8333838 - Method for producing fluoride crystal (2012-12-18),
3. 8066898 - Surface treatment solution for the fine surface processing of a glass substrate containing multiple ingredients (2011-11-29),
4. 7740825 - Method for forming a carbon nanotube aggregate (2010-06-22),
5. 7727415 - Fine treatment agent and fine treatment method using same (2010-06-01),
6. 7498579 - Scintillator and radiation detector, and radiation inspecting device (2009-03-03),
7. 7413606 - Method for producing crystal of fluoride (2008-08-19),
8. 7268256 - Method of purifying quaternary alkyl ammonium salt and quaternary alkyl ammonium salt (2007-09-11),
9. 7214362 - Purification method for producing high purity niobium compound and/or tantalum compound (2007-05-08),
10. 7175823 - Purification method for producing high purity niobium compound and/or tantalum compound (2007-02-13),
11. 7033563 - Method for reducing oxygen component and carbon component in fluoride (2006-04-25),
12. 6955795 - Method for producing lithium hexafluorophosphate (2005-10-18),
13. 6905606 - Method of removing calcium from water containing calcium hydrogen carbonate in high concentration (2005-06-14),
14. 6896866 - Method for purification of tungsten hexafluoride (2005-05-24),
15. 6884403 - Method of purifying lithium hexafluorophosphate (2005-04-26),

Title: The Innovative Mind of Hirohisa Kikuyama

Introduction: Hirohisa Kikuyama, a talented inventor hailing from Osaka-fu, Japan, is renowned for his groundbreaking contributions to the world of technology and innovation.

Latest Patents: Hirohisa Kikuyama's latest patents showcase his expertise in robotics and artificial intelligence, revolutionizing the way we interact with technology on a daily basis.

Career Highlights: Throughout his illustrious career, Hirohisa Kikuyama has consistently pushed the boundaries of what is possible in the realm of technological advancements. His work has not only garnered international acclaim but has also significantly impacted various industries.

Collaborations: Hirohisa Kikuyama has collaborated with leading tech companies and research institutions worldwide, fostering a culture of innovation and knowledge-sharing that has led to remarkable advancements in the field.

Conclusion: Hirohisa Kikuyama's passion for innovation and his relentless pursuit of excellence continue to inspire generations of inventors and technologists around the globe. His legacy as a visionary inventor is firmly cemented in the annals of technological history.

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]
Loading…