Inventor
Shigeki Yagi
Inventor
Chiba, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties23%
G09BEducational or demonstration appliances8%
H04BTransmission8%
H05GX-ray technique8%
B01LChemical or physical laboratory apparatus for general use4%
G01DMeasuring not specially adapted for a specific variable4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G04GElectronic time-pieces4%
G06FElectric digital data processing4%
G10HElectrophonic musical instruments4%
PatentTitleYear
8,847,543'Secondary battery charging device and secondary battery charging system'20148,416,704'Radio communication system and communication method'20137,654,220'Indicator'20107,595,443'Music practice supporting appliance'20097,489,673'Wireless communication system and communication method'20097,405,373'Switch structure and electronic device'20087,030,308'Synchronized beat notification system and master device and slave device for use therewith'20066,788,893'Moving member holding device'20046,757,356'Electric discharge detection circuit'20046,542,349'Portable X-ray fluorescence analyzer'20036,535,573'X-ray fluorescence analyzer'20036,486,573'Portable X-ray fluorescence analyzer'20026,400,795'X-ray fluorescence analyzer'20026,359,962'Flourescent X-ray analyzer'20025,102,623'Infinitesimal liquid reactor'19924,847,760'Electronic device for storing personal information'19894,446,331'Power cable joint structure including a reinforcement insulator containing electrode spherical bodies'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2010Patents assigned to SEIKO INSTR INC (12)· patent assignee history
1989–1992Based in Tokyo, JP· patent location history
2002–2014Based in Chiba, JP· patent location history
2004Based in Setagaya, JP· patent location history
2009–2013Patents assigned to PANASONIC CORP (2)· patent assignee history
2009Based in Ogori, JP· patent location history
2013–2014Patents assigned to YAGI SHIGEKI (2)· patent assignee history
2013Patents assigned to ASHIZUKA TETSUYA (1)· patent assignee history
2013Based in Osaka, JP· patent location history
2014Patents assigned to ASAHATA AKIKO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR INC | 12 | 1989–2010 |
| PANASONIC CORP | 2 | 2009–2013 |
| YAGI SHIGEKIself | 2 | 2013–2014 |
| ASAHATA AKIKO | 1 | 2014 |
| ASHIZUKA TETSUYA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 11 | 2002–2014 |
| Tokyo, JP | 2 | 1989–1992 |
| Osaka, JP | 1 | 2013 |
| Ogori, JP | 1 | 2009 |
| Setagaya, JP | 1 | 2004 |