The Jibun Techo Idea Planner is a slim notebook made for capturing ideas, taking notes, and flexible writing within the Jibun Techo system. Created by Kokuyo, it adds to planning tools while offering room for free-form thinking.

Jibun Techo is made by Kokuyo, a Japanese stationery brand founded in 1905 known for its paper products. The Jibun Techo series helps with life planning and includes parts for scheduling, logging, and managing personal data. Each part—Diary, Life, and Idea planners—can work together or separately, giving users flexibility in their planning.
Available Sizes
The Jibun Techo Idea Planner is available in two slim formats:
- A5 Slim
- B6 Slim
Both sizes fit into the Jibun Techo cover system and work with other inserts using Kokuyo’s band or cover options. Their slim design keeps everything compact when combined.
Intended Use
The Idea Planner works as:
- a companion notebook to the Jibun Techo Diary
- a standalone idea and notes notebook
- a modular addition within a larger planning system
Its design prioritises adaptability, making it suitable for users who want to separate scheduling from free-form thinking while keeping both within one system.
Position Within the Jibun Techo System
The Idea Planner is an undated, flexible writing component instead of a dated planner. This lets you use it all year without time limits, supporting Jibun Techo’s focus on long-term consistency and personal organization.

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