# theTokyoBill Japan news brief, April 1 2026

Page: https://stenobird.com/podcast/thetokyobill-japan-news-brief-7021133/thetokyobill-japan-news-brief-april-1-2026
Text version: https://stenobird.com/podcast/thetokyobill-japan-news-brief-7021133/thetokyobill-japan-news-brief-april-1-2026.md
Podcast: [theTokyoBill Japan news brief](https://stenobird.com/podcast/thetokyobill-japan-news-brief-7021133)
Published: 2026-04-01T18:03:43+00:00
Episode link: https://thetokyobill.podbean.com/e/thetokyobill-japan-news-brief-april-1-2026/
Audio file: https://mcdn.podbean.com/mf/web/szxc7t8t6f5gdjcd/theTokyoBill_04012026.mp3
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JSON: https://stenobird.com/v1/public/podcasts/thetokyobill-japan-news-brief-7021133/episodes/thetokyobill-japan-news-brief-april-1-2026
Duration seconds: 601

## Resource

Japan is implementing significant legal and social shifts, from tightening naturalization requirements to legalizing joint custody. The episode also covers technological breakthroughs in telecommunications and defense, alongside environmental challenges facing local industries.

## Highlights
- Policy shift: Naturalization residency requirements are increasing from five to ten years to ensure better integration
- Technological breakthrough: NTT has developed multicore fiber capable of quadrupling data capacity for 5G and cloud services
- Legal milestone: Japan's first major change in a century now allows divorced parents to negotiate joint custody
- Environmental threat: Rising sea temperatures are causing up to 90% mortality rates in certain oyster populations
- Defense update: The F-35 has officially replaced F-16s at Misawa Air Base as part of Indo-Pacific military realignment

## Topics

Japan Policy, Telecommunications, Electric Vehicles, Defense Technology, Environmental Science, Family Law, Urban Management

## Chapters
- 1:00 — Tightening Naturalization Rules: New measures increase the residency requirement for naturalization and extend the verification process for applicants.
- 1:40 — NTT's Fiber Breakthrough: New multicore optical fiber technology promises to quadruple data capacity without increasing cable size.
- 2:20 — Toyota's New EV in China: The GAC Toyota BZ7 electric sedan makes its debut in China, featuring advanced driver assistance and luxury tech.
- 3:40 — US Military Realignment: F-35 stealth fighters deploy to Misawa Air Base to enhance regional stability in the Indo-Pacific.
- 5:00 — Oyster Industry Crisis: Extreme heat and rising sea temperatures lead to massive die-offs in Japanese oyster farms.
- 5:50 — Macaque Allergy Outbreak: Pollen from cedar and cypress trees is causing widespread respiratory issues in monkey populations.
- 6:30 — Global Combat Air Program: Canada joins the next-gen fighter jet project as an observer, strengthening international defense ties.

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## Transcript

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