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Junichi Arakawa — 21 Patents

Canon: 13 patents #5,104 of 19,416Top 30%
JMJx Nippon Mining & Metals: 6 patents #49 of 262Top 20%
JMJx Metals: 1 patents #22 of 59Top 40%
Panasonic: 1 patents #13,316 of 21,108Top 65%
Tsuruga, JP: #7 of 119 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Junichi Arakawa has been granted 21 US patents while listed as an inventor at Canon. The first was granted in 1987 and the most recent in April 2024. Junichi Arakawa ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Junichi Arakawa in Tsuruga, JP.

Patents per Year

Patents granted per year, 1987 to 2024Bar chart with a peak of 3 patents in 1993.peak 31987: 1 patents19871988: 2 patents1990: 1 patents19901993: 3 patents1995: 1 patents19951996: 2 patents1997: 3 patents19972000: 1 patents2019: 2 patents20192020: 2 patents2022: 1 patents20222023: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11961980 Lithium ion battery scrap treatment method Yasufumi HAGA, Junichi Ito 2024-04-16
11702719 Method for recovering lithium from lithium ion battery scrap Yasufumi HAGA, Junichi Ito 2023-07-18
11434545 Lithium recovery method — 2022-09-06
10865462 Processing method for lithium ion battery scrap Junichi Ito, Takuya YOKOTA, Naoki Higuchi 2020-12-15
10807879 Processing method for lithium ion battery scrap Junichi Ito, Takuya YOKOTA, Naoki Higuchi 2020-10-20
10443111 Method for removing iron from iron-containing solution and method for recovering valuable metals Junichi Ito, Takuya YOKOTA 2019-10-15
10400304 Method for removing copper from lithium ion battery scrap and method for recovering metals Ken Adachi, Junichi Ito 2019-09-03
6067101 Power source circuit having charge function and recording apparatus Makoto Kashimura, Toshihiko Bekki, Hideo Horigome, Kazuyuki Masumoto 2000-05-23 $524,000
5697717 Method and apparatus for controlling supply of electric power to an indicator for indicating a state of the apparatus Yuichi Kaneko, Tetsuhito Ikeda, Akira Kuribayashi, Hideo Horigome 1997-12-16 $81,000
5673070 Recording apparatus for controlling recording in accordance with battery capacity Hideki Nakanishi, Hideo Horigome, Yuichi Kaneko, Tetsuhito Ikeda, Akira Kuribayashi 1997-09-30 $140,000
5631677 Printing apparatus and method of charging battery therein Hideo Horigome, Yuichi Kaneko, Tetsuhito Ikeda, Akira Kuribayashi 1997-05-20 $107,000
5565757 Charge control apparatus and electronic apparatus provided with such a control apparatus Tetsuhito Ikeda, Hideo Horigome, Yuichi Kaneko, Akira Kuribayashi 1996-10-15 $45,000
5530792 Data processing apparatus utilizing CPU Hirokazu Ikeda, Hideo Horigome, Kazuyuki Masumoto 1996-06-25 $55,000
5448153 Charge control apparatus and electronic apparatus provided with such a control apparatus Tetsuhito Ikeda, Hideo Horigome, Yuichi Kaneko, Akira Kuribayashi 1995-09-05 $16,000
5258773 Serial recording apparatus for bidirectional recording Kazuyuki Masumoto 1993-11-02 $22,000
5242230 Font cartridge with thermal correction information — 1993-09-07 $45,000
5182583 Ink-jet having battery capacity detection Hideo Horigome 1993-01-26 $12,000
4952775 Floor heating panel Seiko Yokoyama, Hikomi Tanooka, Minoru Hibino 1990-08-28 $48,000
4763281 Recording system comprising a recording apparatus and/or an information storage cartridge detachably attached to the recording apparatus — 1988-08-09 $16,000
4719472 Ink jet recording head — 1988-01-12 $13,000
4642658 Image forming apparatus — 1987-02-10 $9,000

Frequent Collaborators

Hideo Horigome8 shared
Junichi Ito6 shared
Akira Kuribayashi5 shared
Yuichi Kaneko5 shared
Tetsuhito Ikeda5 shared
Kazuyuki Masumoto3 shared

Nearby-Ranked Inventors

Subhash Sankuratripati21
Brian Riordan21
Woongki Min21
Jeremy Cailleteau21
Shigeru Chiba21
Cecilia Carbonelli21
Pin-Wen Chen21
Michael Danz21
Paul Kolen21