{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Sony", "item": "https://www.patentleaderboard.com/company/sony"}, {"@type": "ListItem", "position": 3, "name": "Tsuneo Muchi", "item": "https://www.patentleaderboard.com/inventor/fl:ts_ln:muchi-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TM

Tsuneo Muchi — 14 Patents

Sony: 14 patents #3,127 of 25,231Top 15%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Kawasaki, JP: #1,982 of 15,035 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Tsuneo Muchi has been granted 14 US patents while listed as an inventor at Sony. The first was granted in 1984 and the most recent in October 2002. Tsuneo Muchi ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Tsuneo Muchi in Kawasaki, JP.

Patents per Year

Patents granted per year, 1984 to 2002Bar chart with a peak of 3 patents in 1997.peak 31984: 1 patents19841985: 2 patents19851993: 1 patents19931996: 1 patents19961997: 3 patents19971998: 3 patents19981999: 2 patents19992002: 1 patents2002

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6469430 Method for reducing resonant frequency vibrations in a cathode ray tube Koji Saita, Tsunenari Saito, Kenichi Ozawa 2002-10-22 $548,000
5914559 Resistance element and cathode ray tube Kenichi Ozawa, Tsunenari Saito 1999-06-22 $723,000
5892322 Electron gun having spacer placed between first and second electrode Kenichi Ozawa, Shigenori Tagami 1999-04-06 $1,171,000
5830819 Alumina sintered product Kunihide Shikata, Kenichi Nagae, Toshihiko Uemura, Masaki Hayashi 1998-11-03
5829350 Printing apparatus and method for printing the inner surface of a cylindrical object Yoshiyuki Noguchi 1998-11-03 $355,000
5744191 Method and apparatus for use in producing cathode ray tube Yoji Kono, Kano Shimizu 1998-04-28 $345,000
5702526 Apparatus for use in producing cathode ray tube Yoji Kono, Kano Shimizu 1997-12-30 $410,000
5661363 Luminated main lens member for an electron gun Yukinobu Iguchi, Tsunenari Saito, Tomohisa Asano 1997-08-26 $410,000
5660875 Method and apparatus for use in producing cathode ray tube Yoji Kono, Kano Shimizu 1997-08-26 $410,000
5521462 Electron gun for CRT Shigenori Tagami, Hiroaki Ishiguro, Tsunenari Saito 1996-05-28 $166,000
5191259 Fluorescent display apparatus with first, second and third grid plates Masatake Hayashi, Minoru Ohzeki 1993-03-02 $110,000
4529905 Cathode ray tube apparatus Akio Ohkoshi, Kiichi Ueno, Tamihaura Masatoki, Isamu Michiba 1985-07-16 $208,000
4526601 Method of fixing an electron gun assembly into the neck of a cathode ray tube and structure so produced Kimizo Igarashi, Katsumi Takigawa, Yoshio Matsumoto, Kiichi Ueno, Akio Ohkoshi 1985-07-02 $180,000
4482447 Nonaqueous suspension for electrophoretic deposition of powders Jin Mizuguchi, Koichiro Sumi, Shinichi Soyama 1984-11-13 $136,000