Inventor
Masakazu Yamashita
Inventor
Saitama, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer54%
B29CShaping or joining of plastics8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
F21SNon-portable lighting devices8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
G07FCoin-freed or like apparatus8%
G07GRegistering the receipt of cash, valuables, or tokens8%
PatentTitleYear
5,937,391'Point-service system in online shopping mall'19995,743,630'Method for molding lamp body automotive lamps and lamp body thereof formed of synthetic resin and a mold therefor'19985,610,900'Centering device of an optical disc player'19975,504,729'Multi-tray disk player with selective tray latching'19965,036,507'Tilting mechanism for optical pickup unit'19914,949,328'Disk player for playing both sides of a disk or multiple disks without ejection thereof and a disk player with a disk being played that overlaps disks stored in a storage receptor'19904,845,700'Front loading disc player'19894,841,518'Clamping mechanism for information recording disk'19894,044,390'Cartridge loading and unloading device use in cartridge type tape recorders'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to MOTOROLA INC (1)· patent assignee history
1977Based in Iwaki, JP· patent location history
1989–1997Patents assigned to PIONEER ELECTRONIC CORP (6)· patent assignee history
1989–1997Based in Saitama, JP· patent location history
1989–1996Based in Tokorozawa, JP· patent location history
1998Patents assigned to KOITO MFG CO LTD (1)· patent assignee history
1998Based in Shizuoka, JP· patent location history
1999Patents assigned to FUJITSU LTD (1)· patent assignee history
1999Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 6 | 1989–1997 |
| FUJITSU LTD | 1 | 1999 |
| KOITO MFG CO LTD | 1 | 1998 |
| MOTOROLA INC | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 4 | 1989–1997 |
| Tokorozawa, JP | 2 | 1989–1996 |
| Kawasaki, JP | 1 | 1999 |
| Shizuoka, JP | 1 | 1998 |
| Iwaki, JP | 1 | 1977 |