Japanese inventions

Historically, katana (刀) were one of the traditionally made Japanese swords (日本刀 nihontō) that were used by the samurai of feudal Japan.

Agar (pronounced /ˈeɪɡɑːr/, US /ˈɑːɡər/, "AH-gər") or agar-agar (/ˈeɪɡɑːrˈeɪɡɑːr/, /ˈɑːɡərˈɑːɡər/, "AH-gər-AH-gər") is a jelly-like substance, obtained from algae.

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format.

Fax (short for facsimile), sometimes called telecopying or telefax (the latter short for telefacsimile), is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected to a printer or other output device.

A handheld fan is an implement used to induce an airflow for the purpose of cooling or refreshing oneself.

High-speed rail is a type of rail transport that operates significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks.

Monosodium glutamate (MSG, also known as sodium glutamate) is the sodium salt of glutamic acid, one of the most abundant naturally occurring non-essential amino acids.

The Integrated Services Digital Broadcasting (ISDB) (Japanese: 統合デジタル放送サービス, Tōgō dejitaru hōsō sābisu) is a Japanese standard for digital television (DTV) and digital radio used by the country's radio and television networks.

Ivermectin is a medication that is effective against many types of parasites.

A virtual retinal display (VRD), also known as a retinal scan display (RSD) or retinal projector (RP), is a display technology that draws a raster display (like a television) directly onto the retina of the eye.

Airsoft is a sport in which participants eliminate opponents by hitting each other with spherical non-metallic pellets launched via replica weapons called airsoft guns.

A massage chair is a chair designed for massages.

Tactile paving (also called truncated domes, detectable warnings, Tactile Ground Surface Indicators, detectable warning surfaces) is a system of textured ground surface indicator found on footpaths, stairs and train station platforms to assist pedestrians who are blind or visually impaired.

Rilmazafone (リスミー, Rhythmy, previously known as 450191-S) is a water-soluble benzodiazepine prodrug developed in Japan.

A love hotel is a type of short-stay hotel found around the world operated primarily for the purpose of allowing couples privacy for sexual activities.

This is a list of Japanese inventions and discoveries.