Inventor
Akira Shiga
Inventor
Tokyo, JP
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals8%
C22CAlloys8%
H04NPictorial communication, e.g. television8%
A61BDiagnosis7%
G11BInformation storage based on relative movement between record carrier and transducer7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel4%
G06TImage data processing or generation, in general4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,111,568Steel for cold forging and manufacturing method thereof202111,047,589Air blower and air blowing system202110,844,466Hot forging steel and hot forged product202010,821,201Air purifier202010,808,304Steel for induction hardening202010,801,091Steel for induction hardening202010,597,765Steel, carburized steel component, and method for manufacturing carburized steel component202010,344,363Hot-rolled steel and steel component20199,722,470'Connector for rotating electric machine with conductor, insulating layer, and outer conductive layer for grounding'20179,716,831'Imaging control apparatus, imaging control method, and program'20179,200,354'Rolled steel bar or wire for hot forging'20159,011,886'Hair cosmetic composition'20158,491,709'Active oxygen generating device, humidifier, and air purification system with humidifier'20138,121,404'Exposure control apparatus and image pickup apparatus'20127,925,047'Face importance level determining apparatus and method, and image pickup apparatus'20117,742,637'Apparatus, method, and program for taking an image, and apparatus, method, and program for processing an image'20107,692,694'Digital camera'20107,562,661'Hair warming tool and hair treating method'20097,511,740'Digital camera'20097,145,602'Exposure control method for digital camera'20066,709,772'Organic electrically conductive compound and an organic electroluminescent device including the compound'20046,706,424'Organic electrically conductive compound and an organic electroluminescent device including the compound'20046,666,875'Surgical apparatus permitting recharge of battery-driven surgical instrument in noncontact state'20036,500,201'Heater'20026,494,827'Endoscope device and operation apparatus'20026,358,267'Treatment tool for operation'20026,039,752'Treating instrument for operation and medical device using the treatment device'20005,798,176'Magnetic recording medium'19985,796,533'System for magnetic contact duplication'19985,744,234'Magnetic recording medium'19985,736,263'Magnetic recording medium comprising successive magnetic metallic films of iron, nickel, and cobalt deposited on a substrate'19985,447,748'Method and apparatus for producing magnetic recording medium'19955,407,530'Method of preparing fine conductive pattern'19954,989,588'Medical treatment device utilizing ultrasonic wave'19914,909,789'Observation assisting forceps'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2003Patents assigned to OLYMPUS OPTICAL CO (6)· patent assignee history
1991–2021Based in Tokyo, JP· patent location history
1995–2015Patents assigned to KAO CORP (8)· patent assignee history
1995–2010Based in Kanagawa, JP· patent location history
1995–1998Based in Tochigi, JP· patent location history
2000–2003Based in Hidaka, JP· patent location history
2006–2017Patents assigned to SONY CORP (7)· patent assignee history
2015–2021Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (7)· patent assignee history
2019–2020Based in Hokkaido, JP· patent location history
2020–2021Patents assigned to NIPPON STEEL CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAO CORP | 8 | 1995–2015 |
| NIPPON STEEL & SUMITOMO METAL CORP | 7 | 2015–2021 |
| SONY CORP | 7 | 2006–2017 |
| OLYMPUS OPTICAL CO | 6 | 1990–2003 |
| NIPPON STEEL CORP | 5 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 1991–2021 |
| Kanagawa, JP | 4 | 1995–2010 |
| Hidaka, JP | 4 | 2000–2003 |
| Hokkaido, JP | 3 | 2019–2020 |
| Tochigi, JP | 3 | 1995–1998 |