HF

Hugh F. Frohbach

NI Ngk Insulators: 3 patents #780 of 2,083Top 40%
MC Mitutoyo Mfg. Co.: 1 patents #56 of 118Top 50%
NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
SI Sri International: 1 patents #681 of 1,272Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Sunnyvale, CA: #2,785 of 14,302 inventorsTop 20%
🗺 California: #60,666 of 386,348 inventorsTop 20%
Overall (All Time): #526,378 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5925972 Multiple element particle sensor and signal processing electronics Eric J. Shrader, Joseph S. Eckerle, Ronald E. Pelrine, John P. Marlow, Yukihisa Takeuchi +1 more 1999-07-20
5774257 Display element and display apparatus Kazuyoshi Shibata, Yukihisa Takeuchi, Eric J. Shrader, Ronald E. Pelrine 1998-06-30
5636072 Display element and display apparatus Kazuyoshi Shibata, Yukihisa Takeuchi, Eric J. Shrader, Ronald E. Pelrine 1997-06-03
5363200 Buffering method and system for resonant scanner used to read and write data with respect to a storage medium Norman A. Peppers 1994-11-08
5321684 Bidirectional sinusoidal scanning system Louis F. Schaefer, Norman A. Peppers 1994-06-14
4733235 Capacitance type displacement measuring instrument James A. Baer, Charles B. Clark, Joseph S. Eckerle, Russell T. Wolfram 1988-03-22
4613759 Small photoelectric reading apparatus 1986-09-23
4410968 Method and apparatus for recording on a disk supported deformable metallic film Robert E. Myers, Norman A. Peppers, Thomas L. Siwecki, Louis F. Schaefer 1983-10-18
4310847 Color television film scanning system using uniform motion and line arrays Albert Macovski, Norman A. Peppers, Thomas L. Siwecki, Louis F. Schaefer 1982-01-12
4261007 Color television encoding and decoding system Robert E. Myers, Norman A. Peppers, Thomas L. Siwecki, Louis F. Schaefer, Albert Macovski 1981-04-07