---
title: "Shih Lung Kuo — Publisher Overview"
type: publisher
publisher: "Shih Lung Kuo"
publisher_slug: "shih-lung-kuo"
canonical_url: "https://marlvel.ai/publishers/shih-lung-kuo"
last_updated: 2026-04-24T01:13:30.941Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Shih Lung Kuo Publisher Overview"
---
# Shih Lung Kuo — Publisher Overview

> Providing professional-grade color management and prepress calibration tools for the commercial printing industry.

- **Publisher:** Shih Lung Kuo
- **Website:** [https://fredkuo.idv.tw](https://fredkuo.idv.tw)
- **Headquarters:** Taipei, Taiwan
- **Overview generated:** 2026-04-24
- **License:** CC-BY-NC 4.0

## Executive summary

Shih Lung Kuo occupies a highly technical niche within the Graphics & Design category, focusing exclusively on professional color science and prepress calibration. The portfolio functions as a mobile extension of specialized hardware like spectrophotometers, targeting a narrow but essential segment of the commercial printing industry. The primary strategic value lies in the translation of complex color science—such as Beer’s Law and CIELAB coordinates—into portable utilities for on-site quality control.

## Publisher DNA

- **Primary focus:** Professional color management and prepress utilities
- **Scale:** indie
- **Target audience:** Print technicians, quality assurance specialists, and graphic designers requiring precise color calibration and ICC profile generation.
- **Origin:** Developed by Fred Kuo, a specialist in color management, printing standardization, and prepress workflows.

## Portfolio momentum

- **Velocity:** steady
- **Active apps:** 10
- **Abandoned apps:** 0
- **Last major release:** 136 days ago

Released 3 updates across the portfolio in the last 6 months with 100% of the 10-app catalog remaining active.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 0
- **Weighted rating:** 0.00 / 5
- **Apps in portfolio:** 10

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Graphics & Design | 10 | 100% |

## Top apps

- **pbn25web** — Core utility for 23-patch color verification using spectrophotometers.
- **pbn42web** — Specialized tool for generating custom ICC profiles via 42-patch targets.
- **pbn10csvt** — Technical utility for skin tone measurement using Beer's Law correction.

## Signature patterns

- Focus on technical color science applications including ICC profiles, CIELAB, and Beer's Law
- Consistent monetization via a paid-upfront model across the entire portfolio
- Integration with professional hardware such as spectrophotometers and densitometers
- Highly specialized utility naming convention using 'pbn' prefixes

## Bottom line

Shih Lung Kuo is a disciplined indie developer serving a critical technical gap in the professional printing workflow. The portfolio's reliance on a paid model and deep domain expertise suggests a sustainable, utility-driven position within the professional graphics market.

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© 2026 Marlvel.ai | [Publisher apps index](https://marlvel.ai/api/llm/publishers/shih-lung-kuo) | [Methodology](https://marlvel.ai/api/llm/methodology)
Data licensed under CC-BY-NC 4.0.

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© 2026 Marlvel.ai | [Full publisher profile](https://marlvel.ai/publishers/shih-lung-kuo) | [Publisher apps index](https://marlvel.ai/api/llm/publishers/shih-lung-kuo) | [Methodology](https://marlvel.ai/api/llm/methodology)
Data licensed under CC-BY-NC 4.0.