Mobara, Japan

Tadashi Ishibashi

This inventor holds 17 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignees: Hitachi, Ltd., Agency of Industrial Science and Technology. Active years: 1977-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Ishibashi. Retrieved from https://idiyas.com/inventor/tadashi-ishibashi-9ts9jbl5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 353(Granted Patents)


Location History:

  • Mobara, JA (1977)
  • Mobara, JP (1978 - 1985)
  • Hitachi, JP (1984 - 1985)
  • Kodaira, JP (1994)
  • Kumagaya, JP (1992 - 1995)

Company Filing History:


Years Active: 1977-1995

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Areas of Expertise:
Liquid Crystal Display
Monoclonal Antibody
Cell Cultivation
Anaerobic Digestion
Transparent Conductive Film
Cellulosic Materials
Display Device
Cell Permeation
Manufacturing Process
Field Effect Type
Electrode Arrangement
Display Apparatus
17 patents (USPTO):Explore Patents

Title: The Innovative Mind of Tadashi Ishibashi

Introduction: Tadashi Ishibashi, an esteemed inventor based in Mobara, Japan, has made significant contributions to the fields of biotechnology and cell cultivation. With a remarkable portfolio of 17 patents, his work stands as a testament to his ingenuity and dedication to scientific advancement.

Latest Patents: Among his latest groundbreaking inventions is the "Anti-octopus rhodopsin monoclonal antibody." This invention encompasses a monoclonal antibody that specifically binds to octopus rhodopsin and octopus metarhodopsin, demonstrating a greater affinity for metarhodopsin than for rhodopsin. Notably, this antibody does not interfere with the rhodopsin-metarhodopsin interconversion under blue or red light exposure. The specificity of this monoclonal antibody is linked to a distinctive peptide sequence: Val-Ile-Gly-Arg-Pro-Met-Ala-Ala-Ser-Lys-Lys-Met-Ser. Furthermore, the invention allows for the detection of photochemical reactions in rhodopsin thin layers, enhancing the potential for research in vision science.

Another significant patent involves "Controlling cultivation conditions for animal cells." This innovation enables stable, long-term cultures of animal cells by calculating the lactic acid to glucose consumption ratio (L/G ratio). By maintaining this ratio within a range of greater than 0 to 0.6, Ishibashi improves conditions for optimal cell growth. When the ratio strays outside this range, the method suggests increasing the dissolved oxygen concentration or decreasing glucose levels in the medium.

Career Highlights: Throughout his career, Tadashi Ishibashi has worked with notable organizations such as Hitachi, Ltd. and the Agency of Industrial Science and Technology. His experience in these companies has greatly influenced his research and patent developments.

Collaborations: Ishibashi's innovative journey has been enriched by collaborations with esteemed colleagues such as Hironari Tanaka and Kiyoshige Kinugawa. Their joint efforts have led to enhanced ideas and projects, significantly impacting the fields they work in.

Conclusion: Tadashi Ishibashi's contributions to innovation and invention demonstrate a profound commitment to advancing scientific knowledge. His latest patents reflect a blend of creativity and practicality, setting a benchmark for future discoveries in biotechnology and cell culture. As he continues to explore the wonders of science, the impact of his work will undoubtedly resonate within the scientific community for years 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]
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