Growing community of inventors

Seattle, WA, United States of America

Keita Oka

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 24

Keita Oka ↔ Tuomas Vallius (1 patent)Keita Oka ↔ R Andrew Wall (1 patent)Keita Oka ↔ Pasi Pietila (1 patent)Keita Oka ↔ Tuomas Vallius (0 patent)Keita Oka ↔ Pasi Pietila (0 patent)Keita OkaKeita Oka (1 patent)Tuomas ValliusTuomas Vallius (30 patents)R Andrew WallR Andrew Wall (8 patents)Pasi PietilaPasi Pietila (2 patents)Tuomas ValliusTuomas Vallius (0 patent)Pasi PietilaPasi Pietila (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Microsoft Technology Licensing, LLC (1 from 54,657 patents)


1 patent:

1. 9891436 - Waveguide-based displays with anti-reflective and highly-reflective coating

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as of
12/10/2025
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