Saitama, Japan

Hiroshi Machida

This inventor holds 4 USPTO granted patents. Top assignees: Chichibu Cement Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 1986-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Machida. Retrieved from https://idiyas.com/inventor/hiroshi-machida-niwwn7gj

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Kumagaya, JP (1995)
  • Saitama, JP (1986 - 2008)

Company Filing History:


Years Active: 1986-2008

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4 patents (USPTO):Explore Patents

Title: Hiroshi Machida: Innovator in Fuel Cell Technology and Crystal Growth

Introduction

Hiroshi Machida is a notable inventor based in Saitama, Japan. He has made significant contributions to the fields of fuel cell technology and crystal growth, holding a total of four patents. His innovative approaches have the potential to advance these technologies and improve their applications in various industries.

Latest Patents

One of Machida's latest patents is an "Apparatus and method for protecting fuel cell." This invention involves a memory unit that stores maps of predetermined determination threshold values for detection values from a hydrogen sensor. The system compares these detection values with the threshold values based on the operating state of the fuel cell, implementing protective measures when necessary. Another significant patent is the "Growth method for a rod form of single oxide crystal." This method utilizes a slit die placed in a crucible with a starting melt, where a seed crystal is introduced while the melt is rotated, resulting in a crystal that maintains the shape of the die's upper surface.

Career Highlights

Throughout his career, Hiroshi Machida has worked with prominent companies such as Chichibu Cement Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Machida has collaborated with notable colleagues, including Tsuguo Fukuda and Keigo Hoshikawa. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

Hiroshi Machida's contributions to fuel cell technology and crystal growth exemplify his innovative spirit and dedication to advancing scientific knowledge. His patents reflect a commitment to improving technology for practical applications, making him a significant figure in his 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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