Inventor
Takeshi Ishitsuka
Inventor
Kawasaki, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus24%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
H05KPrinted circuits7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
G03HHolographic processes or apparatus4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
10,008,436Semiconductor device20188,314,339'Circuit board with kneaded conductive paste'20126,916,539'Halogen-free, flame-retardant insulating epoxy resin composition and circuit board comprising insulation layer formed thereof'20056,846,549'Multilayer printed wiring board'20056,693,736'Optical circuit system and components of same'20046,486,235'Composition of epoxy resin, curing agent, phosphate of resorcinol, Al (OH)'20026,338,975'Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device'20026,215,585'Optical circuit system and components of same technical field'20016,081,632'Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board'20006,017,681'Method of coupling optical parts and method of forming a mirror'20005,917,980'Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device'19995,902,715'Method of forming a mirror in a waveguide'19995,861,444'Refractive index imaging material'19995,835,646'Active optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained thereby'19985,818,983'Optical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic film'19985,757,989'Optical circuit system capable of producing optical signal having a small fluctuation and components of same'19985,658,966'Method of coupling optical parts and refractive index imaging material'19975,581,646'Method of coupling optical parts and refractive index imaging material'19965,231,440'Method of and apparatus for forming volume type phase hologram'19935,154,994'Method of and apparatus for forming volume type phase hologram'19924,791,039'Visible ray-recording hologram material'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2018Patents assigned to FUJITSU LTD (21)· patent assignee history
1988Based in Atsugi, JP· patent location history
1992–2018Based in Isehara, JP· patent location history
1996–2012Based in Kawasaki, JP· patent location history
2012Patents assigned to EMOTO SATOSHI (1)· patent assignee history
2012Patents assigned to ISHITSUKA TAKESHI (1)· patent assignee history
2012Patents assigned to KITAJIMA MASAYUKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 21 | 1988–2018 |
| EMOTO SATOSHI | 1 | 2012 |
| ISHITSUKA TAKESHIself | 1 | 2012 |
| KITAJIMA MASAYUKI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 17 | 1996–2012 |
| Isehara, JP | 3 | 1992–2018 |
| Atsugi, JP | 1 | 1988 |