Kanagawa, Japan

Koichi Ohto

This inventor holds 31 USPTO granted patents. Top assignees: Nec Electronics Corporation, Renesas Electronics Corporation, Nec Corporation. Active years: 2002-2014.


% Patents Active = 41.9

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 160(Granted Patents)


Location History:

  • Tokyo, JP (2002 - 2007)
  • Kanagawa, JP (2006 - 2014)
  • Kawasaki, JP (2007 - 2014)

Company Filing History:


Years Active: 2002-2014

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Areas of Expertise:
Semiconductor Device
Silicon-Diffused Metal Wiring Layer
Organic Insulating Film
Single Damascene Structure
Semiconductor Chip
Semiconductor Interconnect Structure
Plasma-Enhanced CVD
Metal Nitride Film
Manufacturing Method
Projection on Lower Electrode
Silicon-Diffused Metal Wiring
Distinct SiOCH Layers
31 patents (USPTO):Explore Patents

Title: The Innovative Mind of Koichi Ohto

Introduction: Koichi Ohto, a distinguished inventor hailing from Kanagawa, Japan, is renowned for his groundbreaking contributions to the world of stationery and writing instruments.

Latest Patents: Ohto's recent patents include advancements in fountain pen technology, such as improved ink flow systems and ergonomic designs aimed at enhancing the writing experience for users.

Career Highlights: With a career spanning several decades, Koichi Ohto has established himself as a pioneer in the field of writing instruments. His innovative approach has led to the development of sleek and functional pens that have garnered international acclaim.

Collaborations: Throughout his career, Ohto has collaborated with leading stationery companies and designers to bring his visionary concepts to life. His partnerships have resulted in the creation of pens that seamlessly blend form and function.

Conclusion: Koichi Ohto's relentless pursuit of innovation and excellence has solidified his reputation as a trailblazer in the world of writing instruments. His passion for pushing the boundaries of traditional pen design continues to inspire creators and writing enthusiasts worldwide.

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