Over the past 30+ years, Morikawa has released a lot artwork, made tributes to various other mangaka, match posters, book covers, posters to promote boxing, school emblem, and a variety of other things.
Past Series[]
Tributes to other Mangaka[]
Ashita No Joe
10th Anniversary of Fairy Tail by Hiro Mashima
Fairy Tail by Hiro Mashima
The Heroic Legend of Arslan - by Yoshiki Tanaka
UQ Holder - by Ken Akamatsu
Diamond No Ace - Yuji Terajima
JJM - Joshi Judoubu Monogatari by Makoto Kobayashi
Kamen Rider - Ippo
KochiKame by Akimoto Osamu
Mou, Shimasen kara vol 4 cover
Tobaku Mokushiroku Kaiji - by Nobuyuki Fukumoto - 500th Chapter
Grappler Baki - 20th Anniversary
Baki by Keisuke Itagaki - 25 years
Capeta by Masahito Soda - Chapter 100
I won't do it anymore - Tribute
Kindaichi Shounen - 100 million volumes sold
Kindaichi Shounen
M league[]
Professional Mahjong League
Makunouchi Ippo - EX Furin Kazan
Mashiba Kumi - KONAMI Mahjong Sports Nippon
Mashiba Ryō - SEGA SAMMY Phoenix
Miyata Ichirō - TEAM RAIDEN / Raiden
Sendō Takeshi - Akasaka Dorvans
Takamura Mamoru - Shibuya ABEMAS
Alexander Volg Zangief - U-NEXT Pirates
Mahjong League 2019 Opening - Miyata, Takamura, Mashiba, Volg
Mahjong League 2019 Opening - Sendo, Ippo, Kumi, and Sanada
Boxing Related[]
Book - Takahashi Naoto
Fukushima Manabu vs Oscar Larious
Poster - Raika Emiko
Poster - Ryōta Murata vs Rob Brant
Poster - Ryōta Murata
Manabu Fukushima World Title Poster
The Ring Magazine - Naoya Inoue
U15 Boxing - 2013
U15 Boxing - 2014
U15 Boxing - 2015
U15 Boxing - 2016
U15 Boxing - 2017
Autographs[]
Autograph - Makunouchi Ippo
Autograph - Kimura Tatsuya
Autograph - Kimura
Autograph - Takamura
Autograph - Miyata
Autograph - Martinez
Autograph - Mashiba
Autograph - Miyata
Autograph - Sendo
Autograph - Date
Autograph - Karasawa
Autograph - Umezawa
Autograph - Volg
Autograph - Volg
Other[]
Morikawa - Martinez
Sawamura drinking coffee
Early Character designs for Hajime No Ippo
Young Nekota poster
Volg with Soccerball - 2015
Takamura with Kendo Kobayashi
Young Ippo
Ippo and Kumi New Years
JB Sports Boxing Gym - 2019
New Years Card
New Years - 2017 - Nekota
New Years - 2018 - Nekota and Hachi
New Years - 2018 - Kumi, Ippo, and Wanpo
New Years - 2019 - Takamura
New Years - 2020 - Bald Ippo
New Years Card - 2016 - Takamura
December 2019
Holiday - 2018 - Miyata and Zarate
Holiday - 2019
Summer 2015 - Nekota and Hachi
Matsushige High School Character design - Matsugen (left), Matsutaro (center), Matsuhime (right)
House of Councillors 2019 election day.
School Badge Morikawa designed
Yoshihiro Matsumoto Shibuya ABEMAS