Inventor

AKIYAMA KEI

JP8 patents

⚠️ This page may combine multiple inventors who share the name “AKIYAMA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINIPPON PRINTING CO LTD

2 patents

US11560518B2Jan 24, 2023

Polymerizable liquid crystal compound, polymerizable composition, polymer, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device

DAINIPPON PRINTING CO LTD2 citations69

US12480051B2Nov 25, 2025

Polymerizable liquid crystal compound, polymerizable composition, polymer, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device

DAINIPPON PRINTING CO LTD0 citations58

HGST Netherlands BV

1 patent

US8856618B2Oct 7, 2014

Scalable repair block error correction for sequential multiple data blocks in a magnetic data storage device

HGST Netherlands BV13 citations82

WESTERN DIGITAL TECH INC

1 patent

US12277347B2Apr 15, 2025

Apparatus and methods for back-to-back state machine controller bus operations

WESTERN DIGITAL TECH INC0 citations59

ROLAND DG CORP

1 patent

US11130348B2Sep 28, 2021

Inkjet printer

ROLAND DG CORP0 citations50

AKIYAMA KEI

1 patent

US8429499B2Apr 23, 2013

Disk drive and method for data conversion process in a disk drive

AKIYAMA KEI3 citations49

TOSHIBA KK

1 patent

US9257771B2Feb 9, 2016

Card connector and electronic apparatus

TOSHIBA KK0 citations40

TSURUTA KENJI

1 patent

US8391205B2Mar 5, 2013

Mobile communication apparatus that stores packet data in a packet call establishment process

TSURUTA KENJI0 citations29