YT

Yoshifumi Tomita

HI Hitachi: 33 patents #772 of 28,497Top 3%
SU Subaru: 6 patents #124 of 1,684Top 8%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
KO Kasei Optonix: 1 patents #58 of 142Top 45%
📍 Mobara, JP: #23 of 731 inventorsTop 4%
Overall (All Time): #79,526 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
D874343 Passenger car Hiroyuki Kobayashi, Hiroyuki Tahara 2020-02-04
D805005 Automobile front grille 2017-12-12
D803112 Front bumper for an automobile 2017-11-21
D801859 Passenger car Takashi Hagino, Shinya Murase 2017-11-07
D797605 Passenger car Susumu Isomura, Takashi Hagino 2017-09-19
D797604 Passenger car Susumu Isomura, Takashi Hagino 2017-09-19
6853416 Liquid crystal display device Tatsuo Hamamoto, Tomoaki Tsuboka, Minoru Hiroshima 2005-02-08
6040887 Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix Shigeru Matsuyama, Hiroaki Asuma, Masato Shimura, Sukekazu Aratani 2000-03-21
5831701 Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix Shigeru Matsuyama, Hiroaki Asuma, Masato Shimura, Sukekazu Aratani 1998-11-03
5817421 Method for forming and anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection film Tomoji Oishi, Sachiko Maekawa, Akira Kato, Masahiro Nishizawa, Kojiro Okude +2 more 1998-10-06
5742118 Ultrafine particle film, process for producing the same, transparent plate and image display plate Yoshishige Endo, Masahiko Ono, Hiromitsu Kawamura, Katsumi Kobara, Masahiro Miyazaki +4 more 1998-04-21
5689318 Color liquid crystal display device composed of color filter with a layer of three primary color array patterns fabricated by thermal dye transfer technology Shigeru Matsuyama 1997-11-18
5449534 Method for forming an anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection film Tomoji Oishi, Sachiko Maekawa, Akira Kato, Masahiro Nishizawa, Kojiro Okude +2 more 1995-09-12
4890481 System for measuring foreign materials in liquid Masayoshi Ezawa, Shigeru Wakana, Akira Misumi, Yutaka Hiratsuka 1990-01-02
4857429 Process of improving optical contact of patternwise powdery coating layer and phosphor screen provided therefore Nobuaki Hayashi, Shoichi Uchino, Saburo Nonogaki, Masahiro Nishizawa 1989-08-15
4855200 Fluorescent screens of color picture tubes and manufacturing method therefor Masahiro Nishizawa, Saburo Nonogaki 1989-08-08
4815821 Face plate for display Saburo Nonogaki, Hajime Morishita, Nobuaki Hayashi, Shoichi Uchino, Masahiro Nishizawa +1 more 1989-03-28
4779451 System for measuring foreign materials in liquid Masayoshi Ezawa, Shigeru Wakana, Akira Misumi, Yutaka Hiratsuka 1988-10-25
4760310 Cathode-ray tubes and coating materials therefor Sadao Deyama, Toshiya Yamamoto, Koichi Sakai, Shigemi Hirasawa, Tadao Kubo 1988-07-26
4735880 Photosensitive composition and pattern forming process using same Hajime Morishita, Saburo Nonogaki, Nobuaki Hayashi, Shoichi Uchino, Masahiro Nishizawa +2 more 1988-04-05
RE32498 Method of manufacturing fluorescent screens of cathode ray tubes Hiromitsu Nakai 1987-09-08
4681824 Method of manufacturing fluorescent screens of color picture tubes 1987-07-21
4625147 Index type color picture tube Naomitsu Watanabe, Atsushi Suzuki, Hajime Yamamoto 1986-11-25
4612268 Method of forming phosphor pattern on fluorescent screen for color picture tubes with polymer coagulent Kiyoshi Miura, Hiroshi Yokomizo, Osamu Sasaya, Hajime Morishita 1986-09-16
4542038 Method of manufacturing cathode-ray tube Yoshiyuki Odaka, Kouichi Nakazato 1985-09-17