Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hiroshi Echizen — 28 Patents

Canon: 27 patents #2,148 of 19,416Top 15%
MCMeiji Co.: 1 patents #75 of 202Top 40%
Tokyo, JP: #4,892 of 90,295 inventorsTop 6%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Hiroshi Echizen has been granted 28 US patents while listed as an inventor at Canon. The first was granted in 1986 and the most recent in September 2025. Hiroshi Echizen ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Hiroshi Echizen in Tokyo, JP.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12419319 Method for producing high-protein milk raw material Yuki Kawamura, Mizue Saito 2025-09-23
9312289 Photoelectric conversion apparatus, manufacturing method thereof, and image pickup system Mineo Shimotsusa 2016-04-12 $31,000
7641382 Leak judgment method, and computer-readable recording medium with recorded leak-judgment-executable program Hiroshi Izawa, Hirokazu Ohtoshi, Masatoshi Tanaka 2010-01-05 $223,000
7288140 Wet process gas treatment apparatus Hiroshi Izawa 2007-10-30 $458,000
6930025 Transparent conductive film formation process, photovoltaic device production process, transparent conductive film, and photovoltaic device Akiya Nakayama, Yasuyoshi Takai, Naoto Okada, Shigeo Kiso 2005-08-16 $195,000
6860974 Long-Term sputtering method Yasuyoshi Takai, Akiya Nakayama 2005-03-01 $208,000
6821317 Wet-process gas treatment method and wet-process gas treatment apparatus Hiroshi Izawa 2004-11-23 $191,000
6783640 Sputtering method and sputtering apparatus Toshihiro Yamashita, Yasuyoshi Takai, Hidetoshi Tsuzuki 2004-08-31 $184,000
6740210 Sputtering method for forming film and apparatus therefor Toshihiro Yamashita 2004-05-25 $266,000
6350489 Deposited-film forming process and deposited-film forming apparatus Koichiro Moriyama, Masahiro Kanai, Hirokazu Ohtoshi, Takehito Yoshino, Atsushi Yasuno +2 more 2002-02-26 $230,000
6338872 Film forming method Takehito Yoshino, Masahiro Kanai, Hirokazu Otoshi, Atsushi Yasuno, Kohei Yoshida +2 more 2002-01-15 $306,000
6273955 Film forming apparatus Takehito Yoshino, Masahiro Kanai, Hirokazu Otoshi, Atsushi Yasuno, Kohei Yoshida +2 more 2001-08-14 $217,000
6253703 Microwave chemical vapor deposition apparatus Satoshi Takaki 2001-07-03 $277,000
6113732 Deposited film forming apparatus Kohei Yoshida, Masahiro Kanai, Hirokazu Ohtoshi, Takehito Yoshino, Masatoshi Tanaka 2000-09-05 $197,000
5714010 Process for continuously forming a large area functional deposited film by a microwave PCVD method and an apparatus suitable for practicing the same Jinsho Matsuyama, Toshimitsu Kariya, Yasushi Fujioka, Tetsuya Takei, Katsumi Nakagawa +1 more 1998-02-03 $65,000
5700326 Microwave plasma processing apparatus Kazumasa Takatsu, Takashi Kurokawa, Akio Koganei, Shuichiro Sugiyama, Toshio Adachi 1997-12-23 $65,000
5527391 Method and apparatus for continuously forming functional deposited films with a large area by a microwave plasma CVD method Yasushi Fujioka, Katsumi Nakagawa, Masahiro Kanai, Toshimitsu Kariya, Jinsho Matsuyama +1 more 1996-06-18 $48,000
5520740 Process for continuously forming a large area functional deposited film by microwave PCVD method and apparatus suitable for practicing the same Masahiro Kanai, Jinsho Matsuyama, Katsumi Nakagawa, Toshimitsu Kariya, Yasushi Fujioka +1 more 1996-05-28 $56,000
5510151 Continuous film-forming process using microwave energy in a moving substrate web functioning as a substrate and plasma generating space Jinsho Matsuyama, Toshimitsu Kariya, Yasushi Fujioka, Tetsuya Takei, Katsumi Nakagawa +1 more 1996-04-23 $64,000
5171965 Exposure method and apparatus Akiyoshi Suzuki 1992-12-15 $7,000
5130170 Microwave PCVD method for continuously forming a large area functional deposited film using a curved moving substrate web with microwave energy with a directivity in one direction perpendicular to the direction of microwave propagation Masahiro Kanai, Jinsho Matsuyama, Katsumi Nakagawa, Toshimitsu Kariya, Yasushi Fujioka +1 more 1992-07-14 $8,000
5114770 Method for continuously forming functional deposited films with a large area by a microwave plasma CVD method Yasushi Fujioka, Katsumi Nakagawa, Masahiro Kanai, Toshimitsu Kariya, Jinsho Matsuyama +1 more 1992-05-19 $12,000
5069928 Microwave chemical vapor deposition apparatus and feedback control method Satoshi Takaki 1991-12-03 $21,000
5010276 Microwave plasma CVD apparatus with plasma generating chamber constituting a cylindrical cavity resonator Satoshi Takaki 1991-04-23 $20,000
4806773 Wafer position detecting method and apparatus Ryozo Hiraga 1989-02-21 $21,000