Inventor
Junichi Arakawa
Inventor
Yokohama, JP
Overview
18→
Patents
1987–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters18%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
C22BProduction and refining of metals8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%
B09BDisposal of solid waste not otherwise provided for6%
H02JElectric power networks6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
G06KGraphical data reading4%
PatentTitleYear
10,865,462Processing method for lithium ion battery scrap202010,807,879Processing method for lithium ion battery scrap202010,443,111Method for removing iron from iron-containing solution and method for recovering valuable metals201910,400,304Method for removing copper from lithium ion battery scrap and method for recovering metals20196,067,101'Power source circuit having charge function and recording apparatus'20005,697,717'Method and apparatus for controlling supply of electric power to an indicator for indicating a state of the apparatus'19975,673,070'Recording apparatus for controlling recording in accordance with battery capacity'19975,631,677'Printing apparatus and method of charging battery therein'19975,565,757'Charge control apparatus and electronic apparatus provided with such a control apparatus'19965,530,792'Data processing apparatus utilizing CPU'19965,448,153'Charge control apparatus and electronic apparatus provided with such a control apparatus'19955,258,773'Serial recording apparatus for bidirectional recording'19935,242,230'Font cartridge with thermal correction information'19935,182,583'Ink-jet having battery capacity detection'19934,952,775'Floor heating panel'19904,763,281'Recording system comprising a recording apparatus and/or an information storage cartridge detachably attached to the recording apparatus'19884,719,472'Ink jet recording head'19884,642,658'Image forming apparatus'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2000Patents assigned to CANON KK (13)· patent assignee history
1987–2000Based in Yokohama, JP· patent location history
1990Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history
1990Based in Hirakata, JP· patent location history
2019–2020Patents assigned to JX NIPPON MINING & METALS CORP (4)· patent assignee history
2019–2020Based in Tsuruga, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 13 | 1987–2000 |
| JX NIPPON MINING & METALS CORP | 4 | 2019–2020 |
| MATSUSHITA ELECTRIC WORKS LTD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 13 | 1987–2000 |
| Tsuruga, JP | 4 | 2019–2020 |
| Hirakata, JP | 1 | 1990 |