Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1068218 | Hat | — | 2025-04-01 |
| 6919675 | Color cathode ray tube | Go Uchida, Kenichi Watanabe, Kazunari Noguchi | 2005-07-19 |
| 6847159 | Projection tube having different neck diameters | Nobuyuki Suzuki, Kotaro Aoki, Kouichi Saitou | 2005-01-25 |
| 6741020 | Cathode ray, tube including an electron gun having specific relation of axial length of focus electrode and focus electrode-screen distance | Shoichi Wakita, Yasuo Tanaka, Toshio Nakayama, Nobuyuki Suzuki | 2004-05-25 |
| 6657372 | Color cathode ray tube | Kenichi Watanabe, Masayoshi Furuyama | 2003-12-02 |
| 6633142 | Cathode ray tube with low dynamic correction voltage | Kenichi Watanabe | 2003-10-14 |
| 6624562 | Color cathode ray tube having an improved electron gun | Go Uchida | 2003-09-23 |
| 6583547 | Cathode ray tube with UPF type electron gun having particular electrode structure and spacing | Toshio Nakayama, Yasuo Tanaka, Nobuyuki Suzuki, Shoichi Wakita | 2003-06-24 |
| 6507143 | Cathode ray tube including an electron gun having specific relation between axial length of focus electrode and lens-screen distance | Shoichi Wakita, Yasuo Tanaka, Toshio Nakayama, Nobuyuki Suzuki | 2003-01-14 |
| 6472808 | Color cathode ray tube having electrostatic quadrupole lenses | Go Uchida, Shinichi Kato, Koichi Miyagawa | 2002-10-29 |
| 6448704 | Color cathode ray tube having a small neck diameter | Go Uchida, Kazuhisa Oshita | 2002-09-10 |
| 6445116 | Color cathode ray tube having an improved electron gun | Go Uchida | 2002-09-03 |
| 6437498 | Wide-angle deflection color cathode ray tube with a reduced dynamic focus voltage | Tomoki Nakamura, Yasuharu Yatsu | 2002-08-20 |
| 6407491 | Color cathode-ray tube having a dynamic focus voltage | Kazunari Noguchi, Yuichi Inoue | 2002-06-18 |
| 6353282 | Color cathode ray tube having a low dynamic focus | Tutomu Tojyou, Shinichi Kato | 2002-03-05 |
| 6339300 | Color cathode ray tube with a reduced dynamic focus voltage for an electrostatic quadrupole lens thereof | Yasuharu Yatsu, Tomoki Nakamura | 2002-01-15 |
| 6331752 | Color cathode ray tube having a low dynamic focus voltage | Tutomu Tojyou, Shinichi Kato | 2001-12-18 |
| 6329747 | Cathode ray tube having an overall length thereof shortened | Kazunari Noguchi, Tomoki Nakamura, Yasuharu Yatsu | 2001-12-11 |
| 6313576 | Color cathode ray tube | Kenichi Watanabe, Masayoshi Furuyama | 2001-11-06 |
| 6304026 | Wide-angle deflection color cathode ray tube with a reduced dynamic focus voltage | Tomoki Nakamura, Yasuharu Yatsu | 2001-10-16 |
| 6294866 | Color cathode ray tube having a low-distortion electrostatic quadrupole lens with a plurality of first and second electrodes having specified spacing relationships | Go Uchida, Shinichi Kato, Masafumi Nagaoka | 2001-09-25 |
| 6255788 | Cathode ray tube with low dynamic correction voltage | Kenichi Watanabe | 2001-07-03 |
| 6225765 | Color cathode ray tube with a reduced dynamic focus voltage for an electrostatic quadrupole lens thereof | Yasuharu Yatsu, Tomoki Nakamura | 2001-05-01 |
| 6133683 | Color cathode ray tube having an internal voltage divider | Tetsuya Enomoto, Hidemasa Komoro | 2000-10-17 |
| 6111350 | Color cathode ray tube having an improved electron gun | Go Uchida | 2000-08-29 |