Inventor

MARUYAMA AKIHIKO

JP43 patents

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

MARUYAMA AKIHIKO

SEIKO EPSON CORP

Multifunction electronic analog timepiece

Time measurement device

Time measurement device and time measurement method

Multifunction electronic analog timepiece

Clocking device

Time measurement device and method

Multifunction electronic analog timepiece

Ultrasonic motor for driving an analog electronic watch

Switching arrangement for applying battery voltage to circuitry block in an analog timepiece

Setting mechanism for an analog timepiece

Analog timepiece

Apparatus for electronically correcting an electronic timepiece

Pointer electronic timepiece, operating method and control program thereof

Liquid ejecting apparatus

Supply unit, liquid discharge device, and liquid container

Recording apparatus

Time measurement device and method

Liquid ejecting apparatus

Printer having a selector associated with a carriage for actuating a plurality of switching mechanisms

Supply unit and liquid ejection apparatus

Tank unit and liquid ejecting apparatus

Liquid ejecting apparatuses

Liquid ejecting apparatus

Liquid container retaining unit and liquid ejecting apparatus

Pump apparatus

MITSUBISHI ELECTRIC CORP

Particle beam irradiation apparatus

Condition-monitoring device and switch-control device provided with the same

State grasp device, and switching control device of power switching apparatus employing the state grasp device

Electromagnetically operated switching device

KYOWA HAKKO KOGYO KK

Process for producing cytidine diphosphate choline

Process for producing ascorbic acid-2-phosphate

Process for the preparation of ascorbic acid-2-phosphate

Process for the preparation of ascorbic acid-2-phosphate

AGENCY IND SCIENCE TECHN

Process for producing N-acetylglucosamine-6-phosphate deacetylase

Chitinase and method for preparing the same

Process for producing N-acetyl-D-glucosamine deacetylase

KYOWA HAKKO FOOD SPECIALITIES

Process for producing cytidine diphosphate choline

ONO TSUYOSHI

Liquid medicine dispensing device

MITA NAOKI

Microorganisms, microbial symbionts, their culture methods, and methods for treating manganese-containing water using them

HORINOUCHI KATSUHIKO

Switching-device remaining lifetime diagnosis method and apparatus

SEIKO EPSON CORPORATIOIN

Electronic timepiece with controlled date display updating

MARUYAMA AKIHIKO

Fluid discharge device, control method for a fluid discharge device, and a fluid tank

NAT INST OF ADVANCED IND SCIEN

Methods for separating,fractionating and analyzing gene of virus existing in hydrosphere