Inventor
Tadashi Keda
Inventor
Kawagoe, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC19primary
LOC1964%
B43KImplements for writing or drawing13%
A45DHairdressing or shaving equipment7%
B29CShaping or joining of plastics2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
B43LArticles for writing or drawing upon2%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%
G06FElectric digital data processing2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
D0829282Mechanical pencil20188,970,560'Writing instrument'2015D0650858'Writing instrument'20117,878,726'Stick-shaped material propelling container'2011D0621446'Mechanical pencil with a lead tank'20107,708,486'Airtight cap structure'2010D0612428'Cap for writing instrument'2010D0611989'Mechanical pencil with a lead tank'2010D0602089'Cap for a writing instrument'2009D0594902'Cap for a writing instrument'2009D0589556'Housing for writing instrument or eraser'2009D0583869'Cap for writing instrument'20087,137,527'Container'20067,014,380'Composite holding tool'2006D0500519'Writing instrument'2005D0495745'Cap for writing instrument'2004D0489407'Writing instrument'2004D0488188'Writing instrument'2004D0487775'Writing instrument'2004D0487774'Writing instrument'2004D0487776'Writing instrument cap'2004D0487773'Writing instrument'20046,702,158'Knocking-type liquid container'2004D0480758'Clip of writing instrument'2003D0463822'Writing instrument'2002D0460485'Knock-type painting implement'2002D0460112'Writing instrument'2002D0453187'Writing instrument'2002D0452274'Writing instrument'2001D0450768'Writing instrument'2001D0450347'Writing instrument'20016,287,036'Knocking writing utensil'2001D0445131'Writing instrument'20016,206,595'Writing utensil'2001D0430609'Cap for writing instrument'2000D0430212'Cap for a writing instrument'2000D0418871'Writing instrument'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2018Patents assigned to KOTOBUKI & CO LTD (37)· patent assignee history
2000–2018Based in Kawagoe, JP· patent location history
2001Based in Kawagoo, JP· patent location history
2004–2015Based in Saitama, JP· patent location history
2011Patents assigned to KEDA TADASHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOTOBUKI & CO LTD | 37 | 2000–2018 |
| KEDA TADASHIself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawagoe, JP | 30 | 2000–2018 |
| Saitama, JP | 6 | 2004–2015 |
| Kawagoo, JP | 1 | 2001 |