Inventor

Koichiro Jujo

Inventor
Chiba, JP

Overview

17→
Patents
2000–2014
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G04Bprimary
G04BMechanically-driven clocks or watches29%
G04CElectromechanical clocks or watches14%
C25DProcesses for the electrolytic or electrophoretic production of coatings11%
Y10TTechnical subjects covered by former us classification11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
G04DApparatus or tools specially designed for making or maintaining clocks or watches6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B82YSpecific uses or applications of nanostructures3%
C08JWorking-up3%
C21DModifying the physical structure of ferrous metals3%
PatentTitleYear
8,852,491'Method manufacturing electroforming mold'20148,684,594'Magnetically insensitive, highly hard and constant-modulus alloy, and its production method, as well as hair spring, mechanical driving apparatus and watch and clock'20148,518,632'Method of manufacturing electroforming mold, electroforming mold, and method of manufacturing electroformed component'20138,021,534'Electroforming mold and method for manufacturing the same, and method for manufacturing electroformed component'20117,887,995'Electroforming mold and method for manufacturing the same, and method for manufacturing electroformed component'20117,575,800'Sliding parts, precision parts and timepieces and electronic equipment using the same'20097,350,967'Speed control mechanism and mechanical timepiece having the same'20087,170,827'Timepiece, having bearing portion formed of resin and wheel train'20077,167,420'Timepiece including base plate formed of resin and wheel train'20076,804,172'Analog electronic timepiece including plural indicator wheels'20046,609,822'Rate adjusting method of mechanical timepieces'20036,554,468'Mechanical timepiece with timed annular balance rotating angle control mechanism'20036,507,537'Power reserve mechanism'20036,431,746'Mechanical timepiece with timed annular balance rotating angle control mechanism'20026,422,348'Transmission wheel, method for manufacturing transmission wheel and self-winding wheel train structure having transmission wheel'20026,406,176'Chronograph timepiece'20026,166,999'Clock with a mainspring wound state indicator'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2014Patents assigned to SEIKO INSTR INC (17)· patent assignee history
2000–2014Based in Chiba, JP· patent location history
2007–2014Based in Kisarazu, JP· patent location history
2013–2014Patents assigned to JUJO KOICHIRO (2)· patent assignee history
2013Patents assigned to HOSHINA HIROYUKI (1)· patent assignee history
2013Patents assigned to KISHI MATSUO (1)· patent assignee history
2014Patents assigned to FOUNDATION THE RES INST FOR ELECTRIC AND MAGNETIC MATERIALS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO INSTR INC172000–2014
JUJO KOICHIROself22013–2014
FOUNDATION THE RES INST FOR ELECTRIC AND MAGNETIC MATERIALS12014
HOSHINA HIROYUKI12013
KISHI MATSUO12013
Locations
LocationPatentsSpan
Chiba, JP122000–2014
Kisarazu, JP52007–2014