Maruman Mnemosyne 5 mm Dot Grid Notebook (A5, B5, A4)

The Maruman Mnemosyne 5 mm Dot Grid Notebook is part of Maruman’s professional Mnemosyne series, created for people who like to organize their ideas on paper. Named after the Greek goddess of memory, this Japanese notebook pairs a simple black cover and sturdy twin-ring binding with a slim profile that looks at home in both the office and the studio.

Inside, you will find smooth 80 gsm MPS-N writing paper that is fountain-pen-friendly and acid-free, helping to minimize feathering and show-through. A light gray 5 mm dot grid and a small header for the date and title keep your notes, layouts, and diagrams tidy, while fully micro-perforated pages let you tear out sheets cleanly for sharing or filing in standard A sizes.

Explore our Japanese notebook collection, crafted for thoughtful writing and creative sketching.

Explore our Japanese notebook collection, crafted for exceptional writing and creative sketching.

Details

• Size: A5, B5, A4
  
• Sheets: A5 & B5 (80 sheets), A4 (70 sheets)
• Sheet Type: Dot Grid
• Paper Type: MPS-N Writing Paper
• Paper Weight: 80 gsm
• Weight: A5 8.8 oz (250 g), B5 13.4 oz (380 g), A4 17.6 oz (500 g)
• Brand: Maruman

Maruman: A Century of Paper for People Who Love to Write

Maruman began in 1920 in the Kanda district of Tokyo, making sketchbooks for schoolchildren who needed good paper to draw on freely. From those early days, the company has focused on a simple idea: if the paper is better, the experience of drawing and writing becomes more enjoyable. Iconic products like the classic “ZuAN” sketchbook and spiral notebooks grew out of this belief and quietly supported Japan’s creative culture for generations.

At the heart of Maruman’s work today is its original MPS (Maruman Paper Series). This family of papers is designed in Japan for specific purposes, including smooth, reliable writing paper that works beautifully with fountain pens, ballpoint pens, and pencils. These papers are carefully balanced to feel smooth without being slippery, to resist feathering and show-through, and to stay bright and durable over time. It is the kind of “invisible quality” you only notice after many pages of notes and sketches.

The Mnemosyne line of business notebooks is one of the best-known examples of Maruman’s philosophy. Its clean black covers, thoughtful formats, and high-quality writing paper are all created to help you capture ideas, structure your thoughts, and return to them later with clarity. For us at Komorebi Stationery, Maruman is not just a famous brand. It is a maker that has spent more than 100 years standing behind the scenes, supporting people who think, learn, and create with pen and paper every day.