SA

Shigeya Ashizaki

PA Panasonic: 13 patents #1,866 of 21,108Top 9%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #358,154 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5155410 Shadow mask type color cathode ray tube Hiromi Wakasono, Osamu Adachi, Osamu Konosu 1992-10-13
5128586 Color cathode ray tube gun having control grid of varying thickness Masao Natsuhara, Akira Hayashi 1992-07-07
4939415 Deflection yoke Katsuyo Iwasaki, Osamu Konosu 1990-07-03
4831309 Cathode ray tube apparatus Osamu Konosu, Hiroshi Suzuki, Masao Natsuhara 1989-05-16
4777401 Color picture tube having a face panel with an outer face having a hyperbolic curvature Kakuichiro Hosokoshi, Osamu Konosu, Osamu Adachi 1988-10-11
4758449 Method for making a phosphor layer Masamichi Kimura, Mutsuo Masuda, Masao Tokunaga 1988-07-19
4728859 In-line electron gun Masao Natsuhara, Hiroshi Suzuki, Hideo Muranishi 1988-03-01
4701677 Color cathode ray tube apparatus Koichi Sugahara, Hideo Muranishi, Masao Natsuhara 1987-10-20
4612474 In-line type electron gun Masao Natsuhara, Koichi Sugahara, Hideo Muranishi 1986-09-16
4609847 Cathode ray tube with magnetic pole pieces which support a ring getter Masamichi Kimura, Masato Taniguchi 1986-09-02
4485328 Monochromatic picture tube Chikayoshi Ninagawa, Masamichi Kimura, Atsushi Hosokawa 1984-11-27
4473775 Cathode-ray tube device Kakuichiro Hosokoshi, Koichi Sugawara, Masao Natsuhara 1984-09-25
4424467 Cathode-ray tube having a mixture of long and short persistence phosphors Mutsuo Masuda, Yasuyuki Takagi 1984-01-03
4275332 In-line electron gun Hideo Muranishi, Koichi Sugahara 1981-06-23