Editing Keyboard patents (section)

==Keyboard Design Patents==

===Criteria===
This list consists of patents that meet one or more of the following criteria:

:* Patent describes the physical case design
:
:* Patent preferably does not mention the switch technology, signalling mechanism, or controller design

===Patents===
{| class="sortable wikitable" style="font-size: 90%; text-align: left; width: auto;"
|-
! Assignee !! Patent Number !! Name !! Inventor(s) !! Filing Date !! Relation !! Notes
|-
| [[Fujitsu]] ||  {{cite patent |country=US|number=D279191}} [http://assignments.uspto.gov/assignments/q?db=pat&pat=D279191 D279191]||  Keyboard ||  Tadashi Nakamura, Yutaka Nakano ||  1983/03/25 ||  Unknown ||  N/A
|-
| [[Fujitsu]] ||  {{cite patent |country=US |number=D293243}}[http://assignments.uspto.gov/assignments/q?db=pat&pat=D293243 D293243] ||  Keyboard ||  Yoshinori Kakiuchi ||  1985/11/21 ||  Unknown ||  N/A
|-
| [[Fujitsu]] ||  {{cite patent |country=US|number=5486059}}||  Keyboard having improved keytop ||  Seiichi Iwasa, Hideyuki Motoyama, Makoto Yoshioka ||  1993/02/23 ||  Unknown ||  N/A
|-
| [[Sony]] ||  {{cite patent |country=US|number=D270453}} [http://assignments.uspto.gov/assignments/q?db=pat&pat=D270453 D270453]||  Word processor ||  Masahiro Takahashi ||  1981/06/05 ||  [[Sony OA-S3400 Keyboard]] ||  N/A
|-
| [[Convergent Technologies]] ||  {{cite patent |country=US|number=D267879}}||  Computer keyboard or similar article ||  Leroy B. Keely, Michael J. Nuttall, William G. Moggridge ||  1980/10/20 ||  [[Convergent 64-00164]] ||  Also the same design used for a later Burroughs keyboard
|-
| [[Harvey Einbinder]] ||  {{cite patent |country=US|number=3945482}}||  [[Orthogonal input keyboards]] ||  Harvey Einbinder ||  1973/12/14 ||  Unknown ||  Layout patent
|-
| [[Harvey Einbinder]] ||  {{cite patent |country=US|number=3929216}}||  Input keyboards ||  Harvey Einbinder ||  1973/09/04 ||  Unknown ||  Layout patent
|-
| [[Harvey Einbinder]] ||  {{cite patent |country=US|number=4332493}}||  Ten-finger typewriter keyboards ||  Harvey Einbinder ||  1980/06/12 ||  Unknown ||  Layout patent
|-
| [[Zenith]] ||  {{cite patent |country=US|number=4669053}}||  Portable personal computer ||  Horst M. Krenz ||  1984/05/31 ||  Unknown ||  Portable computer case design patent
|-
| [[NEC]] ||  {{cite patent |country=US|number=4847799}}||  Keyboard apparatus having separate working areas with thumb-operated shifting of key functions ||  Masasuke Morita, Toshio Shimada, Toshiro Kitazaki ||  1987/04/17 ||  Unknown ||  Layout patent
|-
| [[Ergonomics, Inc.]] ||  {{cite patent |country=US|number=5416498}}|| Prehensile positioning computer keyboard || Alan H. Grant ||  1993/05/17 || (Was on ebay at one point...) || Ergonomic keyboard patent
|}